annotate xml/en/docs/http/ngx_http_core_module.xml @ 2593:eeed494bba51

Unified phrases about configuration levels and inheritance.
author Ruslan Ermilov <ru@nginx.com>
date Mon, 21 Sep 2020 15:45:07 +0300
parents 4f3494d80949
children 679fb7712ab4
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1 <?xml version="1.0"?>
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2
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3 <!--
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4 Copyright (C) Igor Sysoev
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5 Copyright (C) Nginx, Inc.
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6 -->
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7
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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9
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10 <module name="Module ngx_http_core_module"
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11 link="/en/docs/http/ngx_http_core_module.html"
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12 lang="en"
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13 rev="92">
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14
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15 <section id="directives" name="Directives">
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16
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17 <directive name="absolute_redirect">
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18 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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19 <default>on</default>
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20 <context>http</context>
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21 <context>server</context>
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22 <context>location</context>
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23 <appeared-in>1.11.8</appeared-in>
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24
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25 <para>
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26 If disabled, redirects issued by nginx will be relative.
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27 </para>
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28
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29 <para>
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30 See also <link id="server_name_in_redirect"/>
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31 and <link id="port_in_redirect"/> directives.
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32 </para>
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33
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34 </directive>
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35
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36
171
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37 <directive name="aio">
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38 <syntax>
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39 <literal>on</literal> |
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40 <literal>off</literal> |
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41 <literal>threads</literal>[<literal>=</literal><value>pool</value>]</syntax>
102
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42 <default>off</default>
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43 <context>http</context>
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44 <context>server</context>
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45 <context>location</context>
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46 <appeared-in>0.8.11</appeared-in>
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47
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48 <para>
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49 Enables or disables the use of asynchronous file I/O (AIO)
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50 on FreeBSD and Linux:
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51 <example>
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52 location /video/ {
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53 aio on;
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54 output_buffers 1 64k;
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55 }
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56 </example>
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57 </para>
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58
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59 <para>
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60 On FreeBSD, AIO can be used starting from FreeBSD&nbsp;4.3.
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61 Prior to FreeBSD&nbsp;11.0,
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62 AIO can either be linked statically into a kernel:
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63 <example>
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64 options VFS_AIO
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65 </example>
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66 or loaded dynamically as a kernel loadable module:
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67 <example>
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68 kldload aio
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69 </example>
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70 </para>
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71
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72 <!--
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73 <para>
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74 In FreeBSD versions 5 and 6, enabling AIO statically, or dynamically
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75 when booting the kernel, will cause the entire networking subsystem
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76 to use the Giant lock, which can impact overall performance negatively.
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77 This limitation has been removed in FreeBSD&nbsp;6.4-STABLE in 2009, and in
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78 FreeBSD&nbsp;7.
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79 However, starting from FreeBSD&nbsp;5.3 it is possible to enable AIO
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80 without the penalty of running the networking subsystem under a
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81 Giant lock&mdash;for this to work, the AIO module needs to be loaded
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82 after the kernel has booted.
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83 In this case, the following message will appear in
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84 <path>/var/log/messages</path>
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85 <example>
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86 WARNING: Network stack Giant-free, but aio requires Giant.
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87 Consider adding 'options NET_WITH_GIANT' or setting debug.mpsafenet=0
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88 </example>
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89 and can safely be ignored.
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90 <note>
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91 The requirement to use the Giant lock with AIO is related to the
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92 fact that FreeBSD supports asynchronous calls
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93 <c-func>aio_read</c-func>
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94 and
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95 <c-func>aio_write</c-func>
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96 when working with sockets.
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97 However, since nginx uses AIO only for disk I/O, no problems should arise.
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98 </note>
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99 </para>
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100 -->
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101
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102 <para>
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103 On Linux, AIO can be used starting from kernel version 2.6.22.
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104 Also, it is necessary to enable
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105 <link id="directio"/>,
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106 or otherwise reading will be blocking:
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107 <example>
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108 location /video/ {
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109 aio on;
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110 directio 512;
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111 output_buffers 1 128k;
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112 }
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113 </example>
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114 </para>
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115
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116 <para>
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117 On Linux,
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118 <link id="directio"/>
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119 can only be used for reading blocks that are aligned on 512-byte
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120 boundaries (or 4K for XFS).
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121 File’s unaligned end is read in blocking mode.
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122 The same holds true for byte range requests and for FLV requests
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123 not from the beginning of a file: reading of unaligned data at the
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124 beginning and end of a file will be blocking.
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125 </para>
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126
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127 <para>
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128 When both AIO and <link id="sendfile"/> are enabled on Linux,
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129 AIO is used for files that are larger than or equal to
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130 the size specified in the <link id="directio"/> directive,
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131 while <link id="sendfile"/> is used for files of smaller sizes
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132 or when <link id="directio"/> is disabled.
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133 <example>
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134 location /video/ {
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135 sendfile on;
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136 aio on;
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137 directio 8m;
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138 }
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139 </example>
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140 </para>
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141
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142 <para>
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143 Finally, files can be read and <link id="sendfile">sent</link>
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144 using multi-threading (1.7.11),
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145 without blocking a worker process:
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146 <example>
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147 location /video/ {
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148 sendfile on;
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149 aio threads;
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150 }
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151 </example>
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152 Read and send file operations are offloaded to threads of the specified
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153 <link doc="../ngx_core_module.xml" id="thread_pool">pool</link>.
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154 If the pool name is omitted,
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155 the pool with the name “<literal>default</literal>” is used.
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156 The pool name can also be set with variables:
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157 <example>
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158 aio threads=pool$disk;
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159 </example>
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160 By default, multi-threading is disabled, it should be
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161 enabled with the
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162 <literal>--with-threads</literal> configuration parameter.
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163 Currently, multi-threading is compatible only with the
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164 <link doc="../events.xml" id="epoll"/>,
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165 <link doc="../events.xml" id="kqueue"/>,
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166 and
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167 <link doc="../events.xml" id="eventport"/> methods.
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168 Multi-threaded sending of files is only supported on Linux.
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169 </para>
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170
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171 <para>
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172 See also the <link id="sendfile"/> directive.
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173 </para>
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174
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175 </directive>
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176
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177
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178 <directive name="aio_write">
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179 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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180 <default>off</default>
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181 <context>http</context>
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182 <context>server</context>
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183 <context>location</context>
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184 <appeared-in>1.9.13</appeared-in>
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185
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186 <para>
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187 If <link id="aio"/> is enabled, specifies whether it is used for writing files.
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188 Currently, this only works when using
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189 <literal>aio threads</literal>
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190 and is limited to writing temporary files
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191 with data received from proxied servers.
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192 </para>
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193
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194 </directive>
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195
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196
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197 <directive name="alias">
271
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198 <syntax><value>path</value></syntax>
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199 <default/>
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200 <context>location</context>
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201
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202 <para>
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203 Defines a replacement for the specified location.
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204 For example, with the following configuration
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205 <example>
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206 location /i/ {
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207 alias /data/w3/images/;
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208 }
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209 </example>
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210 on request of
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211 “<literal>/i/top.gif</literal>”, the file
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212 <path>/data/w3/images/top.gif</path> will be sent.
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213 </para>
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214
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215 <para>
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216 The <value>path</value> value can contain variables,
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217 except <var>$document_root</var> and <var>$realpath_root</var>.
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218 </para>
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219
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220 <para>
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221 If <literal>alias</literal> is used inside a location defined
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222 with a regular expression then such regular expression should
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223 contain captures and <literal>alias</literal> should refer to
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224 these captures (0.7.40), for example:
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225 <example>
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226 location ~ ^/users/(.+\.(?:gif|jpe?g|png))$ {
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227 alias /data/w3/images/$1;
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228 }
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229 </example>
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230 </para>
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231
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232 <para>
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233 When location matches the last part of the directive’s value:
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234 <example>
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235 location /images/ {
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236 alias /data/w3/images/;
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237 }
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238 </example>
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239 it is better to use the
106
56457a474903 If text of the link is not provided, the @id is used.
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240 <link id="root"/>
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241 directive instead:
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242 <example>
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243 location /images/ {
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244 root /data/w3;
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245 }
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246 </example>
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247 </para>
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248
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249 </directive>
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250
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251
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252 <directive name="auth_delay">
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253 <syntax><value>time</value></syntax>
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254 <default>0s</default>
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255 <context>http</context>
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256 <context>server</context>
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257 <context>location</context>
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258 <appeared-in>1.17.10</appeared-in>
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259
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260 <para>
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261 Delays processing of unauthorized requests with 401 response code
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262 to prevent timing attacks when access is limited by
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263 <link doc="ngx_http_auth_basic_module.xml">password</link>, by the
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264 <link doc="ngx_http_auth_request_module.xml">result of subrequest</link>,
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265 or by <link doc="ngx_http_auth_jwt_module.xml">JWT</link>.
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266 </para>
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267
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268 </directive>
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269
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270
162
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271 <directive name="chunked_transfer_encoding">
271
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272 <syntax><literal>on</literal> | <literal>off</literal></syntax>
162
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273 <default>on</default>
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274 <context>http</context>
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275 <context>server</context>
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276 <context>location</context>
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277
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278 <para>
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279 Allows disabling chunked transfer encoding in HTTP/1.1.
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280 It may come in handy when using a software failing to support
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281 chunked encoding despite the standard’s requirement.
162
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282 </para>
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283
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284 </directive>
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285
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286
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287 <directive name="client_body_buffer_size">
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288
271
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289 <syntax><value>size</value></syntax>
102
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290 <default>8k|16k</default>
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291 <context>http</context>
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292 <context>server</context>
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293 <context>location</context>
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294
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295 <para>
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296 Sets buffer size for reading client request body.
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297 In case the request body is larger than the buffer,
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298 the whole body or only its part is written to a
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299 <link id="client_body_temp_path">temporary file</link>.
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300 By default, buffer size is equal to two memory pages.
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301 This is 8K on x86, other 32-bit platforms, and x86-64.
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302 It is usually 16K on other 64-bit platforms.
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303 </para>
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304
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305 </directive>
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306
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307
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308 <directive name="client_body_in_file_only">
102
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309 <syntax>
364
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310 <literal>on</literal> |
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311 <literal>clean</literal> |
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312 <literal>off</literal></syntax>
102
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313 <default>off</default>
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314 <context>http</context>
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315 <context>server</context>
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316 <context>location</context>
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317
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318 <para>
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319 Determines whether nginx should save the entire client request body
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320 into a file.
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321 This directive can be used during debugging, or when using the
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322 <var>$request_body_file</var>
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323 variable, or the
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324 <link doc="ngx_http_perl_module.xml" id="methods">$r->request_body_file</link>
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325 method of the module
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326 <link doc="ngx_http_perl_module.xml">ngx_http_perl_module</link>.
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327 </para>
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328
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329 <para>
271
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330 When set to the value <literal>on</literal>, temporary files are not
57
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331 removed after request processing.
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332 </para>
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333
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334 <para>
271
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335 The value <literal>clean</literal> will cause the temporary files
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336 left after request processing to be removed.
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337 </para>
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338
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339 </directive>
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340
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341
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342 <directive name="client_body_in_single_buffer">
271
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343 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
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344 <default>off</default>
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345 <context>http</context>
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346 <context>server</context>
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347 <context>location</context>
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348
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349 <para>
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350 Determines whether nginx should save the entire client request body
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351 in a single buffer.
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352 The directive is recommended when using the
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353 <var>$request_body</var>
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354 variable, to save the number of copy operations involved.
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355 </para>
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356
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357 </directive>
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358
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359
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360 <directive name="client_body_temp_path">
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361 <syntax>
364
bb51d3e17dd0 Style fixed.
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diff changeset
362 <value>path</value>
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diff changeset
363 [<value>level1</value>
bb51d3e17dd0 Style fixed.
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diff changeset
364 [<value>level2</value>
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365 [<value>level3</value>]]]</syntax>
102
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366 <default>client_body_temp</default>
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367 <context>http</context>
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368 <context>server</context>
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369 <context>location</context>
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370
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371 <para>
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372 Defines a directory for storing temporary files holding client request bodies.
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373 Up to three-level subdirectory hierarchy can be used under the specified
57
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374 directory.
12f1de4539b4 Initial English translation of ngx_http_core_module.
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375 For example, in the following configuration
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376 <example>
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377 client_body_temp_path /spool/nginx/client_temp 1 2;
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378 </example>
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379 a path to a temporary file might look like this:
57
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380 <example>
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381 /spool/nginx/client_temp/7/45/00000123457
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382 </example>
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383 </para>
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384
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385 </directive>
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386
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387
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388 <directive name="client_body_timeout">
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389 <syntax><value>time</value></syntax>
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390 <default>60s</default>
57
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391 <context>http</context>
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392 <context>server</context>
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393 <context>location</context>
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394
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395 <para>
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396 Defines a timeout for reading client request body.
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397 The timeout is set only for a period between two successive read operations,
57
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398 not for the transmission of the whole request body.
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399 If a client does not transmit anything within this time, the
2220
896562a1ccde Fixed description of client_header_timeout and client_body_timeout.
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diff changeset
400 request is terminated with the
57
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401 <http-status code="408" text="Request Time-out"/>
2220
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parents: 2206
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402 error.
57
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403 </para>
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404
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405 </directive>
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406
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
407
12f1de4539b4 Initial English translation of ngx_http_core_module.
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408 <directive name="client_header_buffer_size">
271
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409 <syntax><value>size</value></syntax>
102
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410 <default>1k</default>
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411 <context>http</context>
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412 <context>server</context>
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parents:
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413
12f1de4539b4 Initial English translation of ngx_http_core_module.
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414 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
415 Sets buffer size for reading client request header.
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
416 For most requests, a buffer of 1K bytes is enough.
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
417 However, if a request includes long cookies, or comes from a WAP client,
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
418 it may not fit into 1K.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
419 If a request line or a request header field does not fit into
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
420 this buffer then larger buffers, configured by the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
421 <link id="large_client_header_buffers"/> directive,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
422 are allocated.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
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423 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
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424
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
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425 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
426
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
427
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
428 <directive name="client_header_timeout">
271
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429 <syntax><value>time</value></syntax>
102
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430 <default>60s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
431 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
432 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
433
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
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434 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
435 Defines a timeout for reading client request header.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
436 If a client does not transmit the entire header within this time, the
2220
896562a1ccde Fixed description of client_header_timeout and client_body_timeout.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2206
diff changeset
437 request is terminated with the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
438 <http-status code="408" text="Request Time-out"/>
2220
896562a1ccde Fixed description of client_header_timeout and client_body_timeout.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2206
diff changeset
439 error.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
440 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
441
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
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442 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
443
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
444
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
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445 <directive name="client_max_body_size">
271
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446 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
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diff changeset
447 <default>1m</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
448 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
449 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
450 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
451
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
452 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
453 Sets the maximum allowed size of the client request body,
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
454 specified in the
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
455 <header>Content-Length</header>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
456 request header field.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
457 If the size in a request exceeds the configured value, the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
458 <http-status code="413" text="Request Entity Too Large"/>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
459 error is returned to the client.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
460 Please be aware that
237
48a5c2083270 For now, commented out broken link to /web/upload.html.
Ruslan Ermilov <ru@nginx.com>
parents: 236
diff changeset
461 <!--link doc="/web/upload.xml"-->browsers cannot correctly display
48a5c2083270 For now, commented out broken link to /web/upload.html.
Ruslan Ermilov <ru@nginx.com>
parents: 236
diff changeset
462 this error<!--/link-->.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
463 Setting <value>size</value> to 0 disables checking of client
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
464 request body size.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
465 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
466
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
467 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
468
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
469
161
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
470 <directive name="connection_pool_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
471 <syntax><value>size</value></syntax>
1619
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
472 <default>256|512</default>
161
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
473 <context>http</context>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
474 <context>server</context>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
475
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
476 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
477 Allows accurate tuning of per-connection memory allocations.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
478 This directive has minimal impact on performance
161
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
479 and should not generally be used.
1619
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
480 By default, the size is equal to
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
481 256 bytes on 32-bit platforms and 512 bytes on 64-bit platforms.
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
482 <note>
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
483 Prior to version 1.9.8, the default value was 256 on all platforms.
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
484 </note>
161
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
485 </para>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
486
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
487 </directive>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
488
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
489
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
490 <directive name="default_type">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
491 <syntax><value>mime-type</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
492 <default>text/plain</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
493 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
494 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
495 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
496
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
497 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
498 Defines the default MIME type of a response.
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
499 Mapping of file name extensions to MIME types can be set
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
500 with the <link id="types"/> directive.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
501 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
502
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
503 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
504
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
505
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
506 <directive name="directio">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
507 <syntax><value>size</value> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
508 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
509 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
510 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
511 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
512 <appeared-in>0.7.7</appeared-in>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
513
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
514 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
515 Enables the use of
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
516 the <c-def>O_DIRECT</c-def> flag (FreeBSD, Linux),
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1904
diff changeset
517 the <c-def>F_NOCACHE</c-def> flag (macOS),
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
518 or the <c-func>directio</c-func> function (Solaris),
236
9ba4f5333a56 Fixed off-by-one error introduced during an initial translation into English.
Ruslan Ermilov <ru@nginx.com>
parents: 235
diff changeset
519 when reading files that are larger than or equal to
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
520 the specified <value>size</value>.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
521 The directive automatically disables (0.7.15) the use of
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
522 <link id="sendfile"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
523 for a given request.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
524 It can be useful for serving large files:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
525 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
526 directio 4m;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
527 </example>
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
528 or when using <link id="aio"/> on Linux.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
529 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
530
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
531 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
532
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
533
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
534 <directive name="directio_alignment">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
535 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
536 <default>512</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
537 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
538 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
539 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
540 <appeared-in>0.8.11</appeared-in>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
541
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
542 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
543 Sets the alignment for
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
544 <link id="directio"/>.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
545 In most cases, a 512-byte alignment is enough.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
546 However, when using XFS under Linux, it needs to be increased to 4K.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
547 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
548
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
549 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
550
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
551
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
552 <directive name="disable_symlinks">
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
553 <syntax><literal>off</literal></syntax>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
554 <syntax>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
555 <literal>on</literal> |
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
556 <literal>if_not_owner</literal>
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
557 [<literal>from</literal>=<value>part</value>]</syntax>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
558 <default>off</default>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
559 <context>http</context>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
560 <context>server</context>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
561 <context>location</context>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
562 <appeared-in>1.1.15</appeared-in>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
563
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
564 <para>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
565 Determines how symbolic links should be treated when opening files:
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
566 <list type="tag">
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
567
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
568 <tag-name><literal>off</literal></tag-name>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
569 <tag-desc>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
570 Symbolic links in the pathname are allowed and not checked.
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
571 This is the default behavior.
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
572 </tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
573
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
574 <tag-name><literal>on</literal></tag-name>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
575 <tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
576 If any component of the pathname is a symbolic link,
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
577 access to a file is denied.
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
578 </tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
579
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
580 <tag-name><literal>if_not_owner</literal></tag-name>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
581 <tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
582 Access to a file is denied if any component of the pathname
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
583 is a symbolic link, and the link and object that the link
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
584 points to have different owners.
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
585 </tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
586
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
587 <tag-name><literal>from</literal>=<value>part</value></tag-name>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
588 <tag-desc>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
589 When checking symbolic links
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
590 (parameters <literal>on</literal> and <literal>if_not_owner</literal>),
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
591 all components of the pathname are normally checked.
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
592 Checking of symbolic links in the initial part of the pathname
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
593 may be avoided by specifying additionally the
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
594 <literal>from</literal>=<value>part</value> parameter.
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
595 In this case, symbolic links are checked only from
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
596 the pathname component that follows the specified initial part.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
597 If the value is not an initial part of the pathname checked, the whole
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
598 pathname is checked as if this parameter was not specified at all.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
599 If the value matches the whole file name,
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
600 symbolic links are not checked.
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
601 The parameter value can contain variables.
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
602 </tag-desc>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
603
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
604 </list>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
605 </para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
606
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
607 <para>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
608 Example:
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
609 <example>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
610 disable_symlinks on from=$document_root;
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
611 </example>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
612 </para>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
613
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
614 <para>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
615 This directive is only available on systems that have the
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
616 <c-func>openat</c-func> and <c-func>fstatat</c-func> interfaces.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
617 Such systems include modern versions of FreeBSD, Linux, and Solaris.
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
618 </para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
619
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
620 <para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
621 Parameters <literal>on</literal> and <literal>if_not_owner</literal>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
622 add a processing overhead.
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
623 <note>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
624 On systems that do not support opening of directories only for search,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
625 to use these parameters it is required that worker processes
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
626 have read permissions for all directories being checked.
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
627 </note>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
628 </para>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
629
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
630 <para>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
631 <note>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
632 The
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
633 <link doc="ngx_http_autoindex_module.xml">ngx_http_autoindex_module</link>,
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
634 <link doc="ngx_http_random_index_module.xml">ngx_http_random_index_module</link>,
477
c5680571ec09 Unnecessary extensions removed from links.
Andrey Belov <defan@nginx.com>
parents: 476
diff changeset
635 and <link doc="ngx_http_dav_module.xml">ngx_http_dav_module</link>
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
636 modules currently ignore this directive.
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
637 </note>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
638 </para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
639
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
640 </directive>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
641
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
642
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
643 <directive name="error_page">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
644 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
645 <value>code</value> ...
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
646 [<literal>=</literal>[<value>response</value>]]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
647 <value>uri</value></syntax>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
648 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
649 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
650 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
651 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
652 <context>if in location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
653
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
654 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
655 Defines the URI that will be shown for the specified errors.
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
656 A <value>uri</value> value can contain variables.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
657 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
658
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
659 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
660 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
661 <example>
711
1f383a8bccdb Minor improvements over the recent additions to the "error_page" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 709
diff changeset
662 error_page 404 /404.html;
1f383a8bccdb Minor improvements over the recent additions to the "error_page" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 709
diff changeset
663 error_page 500 502 503 504 /50x.html;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
664 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
665 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
666
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
667 <para>
1827
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
668 This causes an internal redirect to the specified <value>uri</value>
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
669 with the client request method changed to “<literal>GET</literal>”
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
670 (for all methods other than
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
671 “<literal>GET</literal>” and “<literal>HEAD</literal>”).
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
672 </para>
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
673
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
674 <para>
679
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
675 Furthermore, it is possible to change the response code to another
711
1f383a8bccdb Minor improvements over the recent additions to the "error_page" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 709
diff changeset
676 using the “<literal>=</literal><value>response</value>” syntax, for example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
677 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
678 error_page 404 =200 /empty.gif;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
679 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
680 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
681
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
682 <para>
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
683 If an error response is processed by a proxied server
2134
4cafd82e5007 Added info about gRPC to various modules.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2125
diff changeset
684 or a FastCGI/uwsgi/SCGI/gRPC server,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
685 and the server may return different response codes (e.g., 200, 302, 401
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
686 or 404), it is possible to respond with the code it returns:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
687 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
688 error_page 404 = /404.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
689 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
690 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
691
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
692 <para>
1827
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
693 If there is no need to change URI and method during internal redirection
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
694 it is possible to pass error processing into a named location:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
695 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
696 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
697 error_page 404 = @fallback;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
698 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
699
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
700 location @fallback {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
701 proxy_pass http://backend;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
702 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
703 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
704 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
705
679
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
706 <para>
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
707 <note>
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
708 If <value>uri</value> processing leads to an error,
747
ddec437b692b Fixed a number of typos.
Vladimir Homutov <vl@nginx.com>
parents: 741
diff changeset
709 the status code of the last occurred error is returned to the client.
679
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
710 </note>
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
711 </para>
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
712
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
713 <para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
714 It is also possible to use URL redirects for error processing:
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
715 <example>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
716 error_page 403 http://example.com/forbidden.html;
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
717 error_page 404 =301 http://example.com/notfound.html;
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
718 </example>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
719 In this case, by default, the response code 302 is returned to the client.
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
720 It can only be changed to one of the redirect status
1964
2a3c58dcb3e8 Documented support for the 308 Permanent Redirect.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1953
diff changeset
721 codes (301, 302, 303, 307, and 308).
2039
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
722 <note>
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
723 The code 307 was not treated as a redirect until versions 1.1.16 and 1.0.13.
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
724 </note>
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
725
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
726 <note>
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
727 The code 308 was not treated as a redirect until version 1.13.0.
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
728 </note>
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
729 </para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
730
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
731 <para>
2593
eeed494bba51 Unified phrases about configuration levels and inheritance.
Ruslan Ermilov <ru@nginx.com>
parents: 2567
diff changeset
732 These directives are inherited from the previous configuration level
eeed494bba51 Unified phrases about configuration levels and inheritance.
Ruslan Ermilov <ru@nginx.com>
parents: 2567
diff changeset
733 if and only if there are no <literal>error_page</literal> directives
eeed494bba51 Unified phrases about configuration levels and inheritance.
Ruslan Ermilov <ru@nginx.com>
parents: 2567
diff changeset
734 defined on the current level.
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
735 </para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
736
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
737 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
738
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
739
576
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
740 <directive name="etag">
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
741 <syntax><literal>on</literal> | <literal>off</literal></syntax>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
742 <default>on</default>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
743 <context>http</context>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
744 <context>server</context>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
745 <context>location</context>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
746 <appeared-in>1.3.3</appeared-in>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
747
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
748 <para>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
749 Enables or disables automatic generation of the <header>ETag</header>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
750 response header field for static resources.
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
751 </para>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
752
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
753 </directive>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
754
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
755
651
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
756 <directive name="http">
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
757 <syntax block="yes"/>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
758 <default/>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
759 <context>main</context>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
760
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
761 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
762 Provides the configuration file context in which the HTTP server directives
651
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
763 are specified.
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
764 </para>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
765
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
766 </directive>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
767
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
768
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
769 <directive name="if_modified_since">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
770 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
771 <literal>off</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
772 <literal>exact</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
773 <literal>before</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
774 <default>exact</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
775 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
776 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
777 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
778 <appeared-in>0.7.24</appeared-in>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
779
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
780 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
781 Specifies how to compare modification time of a response
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
782 with the time in the
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
783 <header>If-Modified-Since</header>
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
784 request header field:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
785
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
786 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
787
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
788 <tag-name><literal>off</literal></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
789 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
790 the
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
791 <header>If-Modified-Since</header> request header field is ignored (0.7.34);
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
792 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
793
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
794 <tag-name><literal>exact</literal></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
795 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
796 exact match;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
797 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
798
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
799 <tag-name><literal>before</literal></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
800 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
801 modification time of a response is
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
802 less than or equal to the time in the <header>If-Modified-Since</header>
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
803 request header field.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
804 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
805
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
806 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
807 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
808
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
809 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
810
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
811
152
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
812 <directive name="ignore_invalid_headers">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
813 <syntax><literal>on</literal> | <literal>off</literal></syntax>
152
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
814 <default>on</default>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
815 <context>http</context>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
816 <context>server</context>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
817
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
818 <para>
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
819 Controls whether header fields with invalid names should be ignored.
252
6f710464be38 Applied nitpicking by Maxim Dounin, translated into English.
Ruslan Ermilov <ru@nginx.com>
parents: 246
diff changeset
820 Valid names are composed of English letters, digits, hyphens, and possibly
152
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
821 underscores (as controlled by the <link id="underscores_in_headers"/>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
822 directive).
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
823 </para>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
824
426
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
825 <para>
1023
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
826 If the directive is specified on the <link id="server"/> level,
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
827 its value is only used if a server is a default one.
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
828 The value specified also applies to all virtual servers
426
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
829 listening on the same address and port.
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
830 </para>
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
831
152
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
832 </directive>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
833
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
834
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
835 <directive name="internal">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
836 <syntax/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
837 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
838 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
839
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
840 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
841 Specifies that a given location can only be used for internal requests.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
842 For external requests, the client error
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
843 <http-status code="404" text="Not Found"/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
844 is returned.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
845 Internal requests are the following:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
846
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
847 <list type="bullet">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
848
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
849 <listitem>
429
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
850 requests redirected by the
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
851 <link id="error_page"/>,
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
852 <link doc="ngx_http_index_module.xml" id="index"/>,
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
853 <link doc="ngx_http_random_index_module.xml" id="random_index"/>, and
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
854 <link id="try_files"/> directives;
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
855 </listitem>
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
856
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
857 <listitem>
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
858 requests redirected by the <header>X-Accel-Redirect</header>
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
859 response header field from an upstream server;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
860 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
861
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
862 <listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
863 subrequests formed by the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
864 “<command>include virtual</command>”
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
865 command of the
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
866 <link doc="ngx_http_ssi_module.xml">ngx_http_ssi_module</link>
2036
ee0aeddbe8a2 Updated types of subrequests allowed in the internal location.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2003
diff changeset
867 module, by the
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
868 <link doc="ngx_http_addition_module.xml">ngx_http_addition_module</link>
2036
ee0aeddbe8a2 Updated types of subrequests allowed in the internal location.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2003
diff changeset
869 module directives, and by
ee0aeddbe8a2 Updated types of subrequests allowed in the internal location.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2003
diff changeset
870 <link doc="ngx_http_auth_request_module.xml" id="auth_request"/> and
ee0aeddbe8a2 Updated types of subrequests allowed in the internal location.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2003
diff changeset
871 <link doc="ngx_http_mirror_module.xml" id="mirror"/> directives;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
872 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
873
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
874 <listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
875 requests changed by the
429
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
876 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/> directive.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
877 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
878
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
879 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
880 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
881
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
882 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
883 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
884 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
885 error_page 404 /404.html;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
886
2206
5cacd6fffade Eliminated some examples of unsafe prefix locations.
Ruslan Ermilov <ru@nginx.com>
parents: 2199
diff changeset
887 location = /404.html {
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
888 internal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
889 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
890 </example>
674
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
891 <note>
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
892 There is a limit of 10 internal redirects per request to prevent
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
893 request processing cycles that can occur in incorrect configurations.
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
894 If this limit is reached, the error
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
895 <http-status code="500" text="Internal Server Error"/> is returned.
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
896 In such cases, the “rewrite or internal redirection cycle” message
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
897 can be seen in the error log.
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
898 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
899 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
900
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
901 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
902
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
903
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
904 <directive name="keepalive_disable">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
905 <syntax><literal>none</literal> | <value>browser</value> ...</syntax>
467
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
906 <default>msie6</default>
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
907 <context>http</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
908 <context>server</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
909 <context>location</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
910
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
911 <para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
912 Disables keep-alive connections with misbehaving browsers.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
913 The <value>browser</value> parameters specify which
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
914 browsers will be affected.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
915 The value <literal>msie6</literal> disables keep-alive connections
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
916 with old versions of MSIE, once a POST request is received.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
917 The value <literal>safari</literal> disables keep-alive connections
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1904
diff changeset
918 with Safari and Safari-like browsers on macOS and macOS-like
467
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
919 operating systems.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
920 The value <literal>none</literal> enables keep-alive connections
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
921 with all browsers.
467
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
922 <note>
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
923 Prior to version 1.1.18, the value <literal>safari</literal> matched
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
924 all Safari and Safari-like browsers on all operating systems, and
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
925 keep-alive connections with them were disabled by default.
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
926 </note>
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
927 </para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
928
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
929 </directive>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
930
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
931
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
932 <directive name="keepalive_requests">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
933 <syntax><value>number</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
934 <default>100</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
935 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
936 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
937 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
938 <appeared-in>0.8.0</appeared-in>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
939
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
940 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
941 Sets the maximum number of requests that can be
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
942 served through one keep-alive connection.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
943 After the maximum number of requests are made, the connection is closed.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
944 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
945
2450
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
946 <para>
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
947 Closing connections periodically is necessary to free
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
948 per-connection memory allocations.
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
949 Therefore, using too high maximum number of requests
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
950 could result in excessive memory usage and not recommended.
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
951 </para>
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
952
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
953 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
954
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
955
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
956 <directive name="keepalive_timeout">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
957 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
958 <value>timeout</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
959 [<value>header_timeout</value>]</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
960 <default>75s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
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parents:
diff changeset
961 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
962 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
963 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
964
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
965 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
966 The first parameter sets a timeout during which a keep-alive
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
967 client connection will stay open on the server side.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
968 The zero value disables keep-alive client connections.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
969 The optional second parameter sets a value in the
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
970 <header>Keep-Alive: timeout=<value>time</value></header>
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
971 response header field.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
972 Two parameters may differ.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
973 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
974
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
975 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
976 The
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
977 <header>Keep-Alive: timeout=<value>time</value></header>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
978 header field is recognized by Mozilla and Konqueror.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
979 MSIE closes keep-alive connections by itself in about 60 seconds.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
980 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
981
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
982 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
983
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
984
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
985 <directive name="large_client_header_buffers">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
986 <syntax><value>number</value> <value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
987 <default>4 8k</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
988 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
989 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
990
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
991 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
992 Sets the maximum <value>number</value> and <value>size</value> of
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
993 buffers used for reading large client request header.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
994 A request line cannot exceed the size of one buffer, or the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
995 <http-status code="414" text="Request-URI Too Large"/>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
996 error is returned to the client.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
997 A request header field cannot exceed the size of one buffer as well, or the
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
998 <http-status code="400" text="Bad Request"/>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
999 error is returned to the client.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1000 Buffers are allocated only on demand.
65
f122a777a6de - Use of $document_root and $realpath_root in "alias" is prohibited.
Ruslan Ermilov <ru@nginx.com>
parents: 57
diff changeset
1001 By default, the buffer size is equal to 8K bytes.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1002 If after the end of request processing a connection is transitioned
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1003 into the keep-alive state, these buffers are released.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1004 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1005
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1006 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1007
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1008
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1009 <directive name="limit_except">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1010 <syntax block="yes"><value>method</value> ...</syntax>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1011 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1012 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1013
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1014 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1015 Limits allowed HTTP methods inside a location.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1016 The <value>method</value> parameter can be one of the following:
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1017 <literal>GET</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1018 <literal>HEAD</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1019 <literal>POST</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1020 <literal>PUT</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1021 <literal>DELETE</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1022 <literal>MKCOL</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1023 <literal>COPY</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1024 <literal>MOVE</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1025 <literal>OPTIONS</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1026 <literal>PROPFIND</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1027 <literal>PROPPATCH</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1028 <literal>LOCK</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1029 <literal>UNLOCK</literal>,
65
f122a777a6de - Use of $document_root and $realpath_root in "alias" is prohibited.
Ruslan Ermilov <ru@nginx.com>
parents: 57
diff changeset
1030 or
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1031 <literal>PATCH</literal>.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1032 Allowing the <literal>GET</literal> method makes the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1033 <literal>HEAD</literal> method also allowed.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1034 Access to other methods can be limited using the
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1035 <link doc="ngx_http_access_module.xml">ngx_http_access_module</link>,
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1036 <link doc="ngx_http_auth_basic_module.xml">ngx_http_auth_basic_module</link>,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1037 and
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1038 <link doc="ngx_http_auth_jwt_module.xml">ngx_http_auth_jwt_module</link>
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1039 (1.13.10)
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1040 modules directives:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1041 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1042 limit_except GET {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1043 allow 192.168.1.0/32;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1044 deny all;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1045 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1046 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1047 Please note that this will limit access to all methods
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1048 <emphasis>except</emphasis> GET and HEAD.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1049 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1050
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1051 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1052
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1053
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1054 <directive name="limit_rate">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1055 <syntax><value>rate</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1056 <default>0</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1057 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1058 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1059 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1060 <context>if in location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1061
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1062 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1063 Limits the rate of response transmission to a client.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1064 The <value>rate</value> is specified in bytes per second.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1065 The zero value disables rate limiting.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1066 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1067 The smaller the rate, the more accurate will be the limitation.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1068 -->
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1069 The limit is set per a request, and so if a client simultaneously opens
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1070 two connections, the overall rate will be twice as much
767
1bb8b733416a Clarified the description of the limit_rate directive
Ruslan Ermilov <ru@nginx.com>
parents: 747
diff changeset
1071 as the specified limit.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1072 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1073
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1074 <para>
2391
375a3dfde23b Unified phrase "Parameter value can contain variables".
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2390
diff changeset
1075 Parameter value can contain variables (1.17.0).
767
1bb8b733416a Clarified the description of the limit_rate directive
Ruslan Ermilov <ru@nginx.com>
parents: 747
diff changeset
1076 It may be useful in cases where rate should be limited
1bb8b733416a Clarified the description of the limit_rate directive
Ruslan Ermilov <ru@nginx.com>
parents: 747
diff changeset
1077 depending on a certain condition:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1078 <example>
2384
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1079 map $slow $rate {
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1080 1 4k;
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1081 2 8k;
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1082 }
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1083
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1084 limit_rate $rate;
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1085 </example>
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1086 </para>
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1087
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1088 <para>
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1089 Rate limit can also be set in the
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1090 <link id="var_limit_rate"><var>$limit_rate</var></link> variable,
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1091 however, since version 1.17.0, this method is not recommended:
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1092 <example>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1093 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1094
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1095 if ($slow) {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1096 set $limit_rate 4k;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1097 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1098
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1099 ...
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1100 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1101 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1102 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1103
506
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1104 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1105 Rate limit can also be set in the
767
1bb8b733416a Clarified the description of the limit_rate directive
Ruslan Ermilov <ru@nginx.com>
parents: 747
diff changeset
1106 <header>X-Accel-Limit-Rate</header> header field of a proxied server response.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1107 This capability can be disabled using the
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
1108 <link doc="ngx_http_proxy_module.xml" id="proxy_ignore_headers"/>,
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
1109 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_ignore_headers"/>,
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1110 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_ignore_headers"/>,
506
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1111 and
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
1112 <link doc="ngx_http_scgi_module.xml" id="scgi_ignore_headers"/>
506
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1113 directives.
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1114 </para>
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1115
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1116 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1117
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1118
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
1119 <directive name="limit_rate_after">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1120 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1121 <default>0</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1122 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1123 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1124 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1125 <context>if in location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
1126 <appeared-in>0.8.0</appeared-in>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1127
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1128 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1129 Sets the initial amount after which the further transmission
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1130 of a response to a client will be rate limited.
2391
375a3dfde23b Unified phrase "Parameter value can contain variables".
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2390
diff changeset
1131 Parameter value can contain variables (1.17.0).
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1132 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1133
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1134 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1135 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1136 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1137 location /flv/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1138 flv;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1139 limit_rate_after 500k;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1140 limit_rate 50k;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1141 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1142 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1143 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1144
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1145 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1146
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1147
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1148 <directive name="lingering_close">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1149 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1150 <literal>off</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1151 <literal>on</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1152 <literal>always</literal></syntax>
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1153 <default>on</default>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1154 <context>http</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1155 <context>server</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1156 <context>location</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1157 <appeared-in>1.1.0</appeared-in>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1158 <appeared-in>1.0.6</appeared-in>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1159
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1160 <para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1161 Controls how nginx closes client connections.
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1162 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1163
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1164 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1165 The default value “<literal>on</literal>” instructs nginx to
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1166 <link id="lingering_timeout">wait for</link> and
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1167 <link id="lingering_time">process</link> additional data from a client
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1168 before fully closing a connection, but only
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1169 if heuristics suggests that a client may be sending more data.
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1170 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1171
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1172 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1173 The value “<literal>always</literal>” will cause nginx to unconditionally
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1174 wait for and process additional client data.
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1175 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1176
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1177 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1178 The value “<literal>off</literal>” tells nginx to never wait for
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1179 more data and close the connection immediately.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1180 This behavior breaks the protocol and should not be used under normal
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1181 circumstances.
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1182 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1183
2567
4f3494d80949 Documented support for HTTP/2 in lingering_close.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2523
diff changeset
1184 <para>
4f3494d80949 Documented support for HTTP/2 in lingering_close.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2523
diff changeset
1185 To control closing
4f3494d80949 Documented support for HTTP/2 in lingering_close.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2523
diff changeset
1186 <link doc="ngx_http_v2_module.xml">HTTP/2</link> connections,
4f3494d80949 Documented support for HTTP/2 in lingering_close.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2523
diff changeset
1187 the directive must be specified on the <link id="server"/> level (1.19.1).
4f3494d80949 Documented support for HTTP/2 in lingering_close.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2523
diff changeset
1188 </para>
4f3494d80949 Documented support for HTTP/2 in lingering_close.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2523
diff changeset
1189
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1190 </directive>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1191
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1192
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1193 <directive name="lingering_time">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1194 <syntax><value>time</value></syntax>
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1195 <default>30s</default>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1196 <context>http</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1197 <context>server</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1198 <context>location</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1199
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1200 <para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1201 When <link id="lingering_close"/> is in effect,
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1202 this directive specifies the maximum time during which nginx
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1203 will process (read and ignore) additional data coming from a client.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1204 After that, the connection will be closed, even if there will be
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1205 more data.
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1206 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1207
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1208 </directive>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1209
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1210
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1211 <directive name="lingering_timeout">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1212 <syntax><value>time</value></syntax>
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1213 <default>5s</default>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1214 <context>http</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1215 <context>server</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1216 <context>location</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1217
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1218 <para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1219 When <link id="lingering_close"/> is in effect, this directive specifies
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1220 the maximum waiting time for more client data to arrive.
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1221 If data are not received during this time, the connection is closed.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1222 Otherwise, the data are read and ignored, and nginx starts waiting
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1223 for more data again.
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1224 The “wait-read-ignore” cycle is repeated, but no longer than specified by the
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1225 <link id="lingering_time"/> directive.
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1226 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1227
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1228 </directive>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1229
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1230
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1231 <directive name="listen">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1232 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1233 <value>address</value>[:<value>port</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1234 [<literal>default_server</literal>]
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1235 [<literal>ssl</literal>]
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1236 [<literal>http2</literal> | <literal>spdy</literal>]
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1237 [<literal>proxy_protocol</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1238 [<literal>setfib</literal>=<value>number</value>]
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1239 [<literal>fastopen</literal>=<value>number</value>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1240 [<literal>backlog</literal>=<value>number</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1241 [<literal>rcvbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1242 [<literal>sndbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1243 [<literal>accept_filter</literal>=<value>filter</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1244 [<literal>deferred</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1245 [<literal>bind</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1246 [<literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>]
1493
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1247 [<literal>reuseport</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1248 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1249 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1250 <value>port</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1251 [<literal>default_server</literal>]
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1252 [<literal>ssl</literal>]
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1253 [<literal>http2</literal> | <literal>spdy</literal>]
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1254 [<literal>proxy_protocol</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1255 [<literal>setfib</literal>=<value>number</value>]
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1256 [<literal>fastopen</literal>=<value>number</value>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1257 [<literal>backlog</literal>=<value>number</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1258 [<literal>rcvbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1259 [<literal>sndbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1260 [<literal>accept_filter</literal>=<value>filter</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1261 [<literal>deferred</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1262 [<literal>bind</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1263 [<literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>]
1493
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1264 [<literal>reuseport</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1265 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1266 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1267 <literal>unix:</literal><value>path</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1268 [<literal>default_server</literal>]
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1269 [<literal>ssl</literal>]
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1270 [<literal>http2</literal> | <literal>spdy</literal>]
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1271 [<literal>proxy_protocol</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1272 [<literal>backlog</literal>=<value>number</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1273 [<literal>rcvbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1274 [<literal>sndbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1275 [<literal>accept_filter</literal>=<value>filter</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1276 [<literal>deferred</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1277 [<literal>bind</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1278 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1279 <default>*:80 | *:8000</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1280 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1281
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1282 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1283 Sets the <value>address</value> and <value>port</value> for IP,
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1284 or the <value>path</value> for a UNIX-domain socket on which
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1285 the server will accept requests.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1286 Both <value>address</value> and <value>port</value>,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1287 or only <value>address</value> or only <value>port</value> can be specified.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1288 An <value>address</value> may also be a hostname, for example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1289 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1290 listen 127.0.0.1:8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1291 listen 127.0.0.1;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1292 listen 8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1293 listen *:8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1294 listen localhost:8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1295 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1296 IPv6 addresses (0.7.36) are specified in square brackets:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1297 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1298 listen [::]:8000;
941
7d1d53d4d293 Removed link-scoped IPv6 addresses from examples.
Ruslan Ermilov <ru@nginx.com>
parents: 940
diff changeset
1299 listen [::1];
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1300 </example>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1301 UNIX-domain sockets (0.8.21) are specified with the “<literal>unix:</literal>”
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1302 prefix:
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1303 <example>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1304 listen unix:/var/run/nginx.sock;
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1305 </example>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1306 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1307
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1308 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1309 If only <value>address</value> is given, the port 80 is used.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1310 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1311
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1312 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1313 If the directive is not present then either <literal>*:80</literal> is used
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1314 if nginx runs with the superuser privileges, or <literal>*:8000</literal>
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1315 otherwise.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1316 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1317
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1318 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1319 The <literal>default_server</literal> parameter, if present,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1320 will cause the server to become the default server for the specified
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1321 <value>address</value>:<value>port</value> pair.
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1322 If none of the directives have the <literal>default_server</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1323 parameter then the first server with the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1324 <value>address</value>:<value>port</value> pair will be
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1325 the default server for this pair.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1326 <note>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1327 In versions prior to 0.8.21 this parameter is named simply
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1328 <literal>default</literal>.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1329 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1330 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1331
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1332 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1333 The <literal>ssl</literal> parameter (0.7.14) allows specifying that all
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1334 connections accepted on this port should work in SSL mode.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1335 This allows for a more compact <link doc="configuring_https_servers.xml"
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1336 id="single_http_https_server">configuration</link> for the server that
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1337 handles both HTTP and HTTPS requests.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1338 </para>
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1339
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1340 <para>
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1341 The <literal>http2</literal> parameter (1.9.5) configures the port to accept
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1342 <link doc="ngx_http_v2_module.xml">HTTP/2</link> connections.
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1343 Normally, for this to work the <literal>ssl</literal> parameter should be
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1344 specified as well, but nginx can also be configured to accept HTTP/2
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1345 connections without SSL.
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1346 </para>
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1347
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1348 <para>
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1349 The <literal>spdy</literal> parameter (1.3.15-1.9.4) allows accepting
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1350 <link doc="ngx_http_spdy_module.xml">SPDY</link> connections on this port.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1351 Normally, for this to work the <literal>ssl</literal> parameter should be
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1352 specified as well, but nginx can also be configured to accept SPDY
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1353 connections without SSL.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1354 </para>
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1355
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1356 <para>
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1357 The <literal>proxy_protocol</literal> parameter (1.5.12)
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1358 allows specifying that all connections accepted on this port should use the
1513
88d1a1d36c0c Corrected link to the PROXY protocol specification.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1507
diff changeset
1359 <link url="http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt">PROXY
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1360 protocol</link>.
2125
b19d5d47c16c Documented ver.2 of the PROXY protocol.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2121
diff changeset
1361 <note>
b19d5d47c16c Documented ver.2 of the PROXY protocol.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2121
diff changeset
1362 The PROXY protocol version 2 is supported since version 1.13.11.
b19d5d47c16c Documented ver.2 of the PROXY protocol.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2121
diff changeset
1363 </note>
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1364 </para>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1365
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1366 <para>
1414
5addfab7e171 Corrected article.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1279
diff changeset
1367 The <literal>listen</literal> directive
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1368 can have several additional parameters specific to socket-related system calls.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1369 These parameters can be specified in any
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1370 <literal>listen</literal> directive, but only once for a given
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1371 <value>address</value>:<value>port</value> pair.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1372 <note>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1373 In versions prior to 0.8.21, they could only be
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1374 specified in the <literal>listen</literal> directive together with the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1375 <literal>default</literal> parameter.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1376 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1377 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1378
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1379 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1380 <literal>setfib</literal>=<value>number</value>
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1381 </tag-name>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1382 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1383 this parameter (0.8.44) sets the associated routing table, FIB
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1384 (the <c-def>SO_SETFIB</c-def> option) for the listening socket.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1385 This currently works only on FreeBSD.
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1386 </tag-desc>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1387
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1388 <tag-name>
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1389 <literal>fastopen</literal>=<value>number</value>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1390 </tag-name>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1391 <tag-desc>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1392 enables
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1393 “<link url="http://en.wikipedia.org/wiki/TCP_Fast_Open">TCP Fast Open</link>”
1037
3fde5aa256ac Fixed markup.
Vladimir Homutov <vl@nginx.com>
parents: 1036
diff changeset
1394 for the listening socket (1.5.8) and
1923
66a30a380fba Fixed links to tools.ietf.org.
Ruslan Ermilov <ru@nginx.com>
parents: 1911
diff changeset
1395 <link url="https://tools.ietf.org/html/rfc7413#section-5.1">limits</link>
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1396 the maximum length for the queue of connections that have not yet completed
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1397 the three-way handshake.
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1398 <note>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1399 Do not enable this feature unless the server can handle
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1400 receiving the
1923
66a30a380fba Fixed links to tools.ietf.org.
Ruslan Ermilov <ru@nginx.com>
parents: 1911
diff changeset
1401 <link url="https://tools.ietf.org/html/rfc7413#section-6.1">
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1402 same SYN packet with data</link> more than once.
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1403 </note>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1404 </tag-desc>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1405
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1406 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1407 <literal>backlog</literal>=<value>number</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1408 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1409 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1410 sets the <literal>backlog</literal> parameter in the
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1411 <c-func>listen</c-func> call that limits
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1412 the maximum length for the queue of pending connections.
1501
40425063b413 Fixed the default "listen backlog" value on DragonFly BSD.
Ruslan Ermilov <ru@nginx.com>
parents: 1500
diff changeset
1413 By default,
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1904
diff changeset
1414 <literal>backlog</literal> is set to -1 on FreeBSD, DragonFly BSD, and macOS,
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1415 and to 511 on other platforms.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1416 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1417
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1418 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1419 <literal>rcvbuf</literal>=<value>size</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1420 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1421 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1422 sets the receive buffer size
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1423 (the <c-def>SO_RCVBUF</c-def> option) for the listening socket.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1424 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1425
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1426 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1427 <literal>sndbuf</literal>=<value>size</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1428 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1429 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1430 sets the send buffer size
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1431 (the <c-def>SO_SNDBUF</c-def> option) for the listening socket.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1432 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1433
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1434 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1435 <literal>accept_filter</literal>=<value>filter</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1436 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1437 <tag-desc>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1438 sets the name of accept filter
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1439 (the <c-def>SO_ACCEPTFILTER</c-def> option) for the listening socket
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1440 that filters incoming connections before passing them to
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1441 <c-func>accept</c-func>.
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1442 This works only on FreeBSD and NetBSD 5.0+.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1443 Possible values are
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1444 <link url="http://man.freebsd.org/accf_data">dataready</link>
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1445 and
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1446 <link url="http://man.freebsd.org/accf_http">httpready</link>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1447 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1448
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1449 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1450 <literal>deferred</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1451 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1452 <tag-desc>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1453 instructs to use a deferred <c-func>accept</c-func>
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1454 (the <c-def>TCP_DEFER_ACCEPT</c-def> socket option) on Linux.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1455 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1456
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1457 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1458 <literal>bind</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1459 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1460 <tag-desc>
240
472e88bf177e Slightly better wording for the "bind" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 237
diff changeset
1461 instructs to make a separate <c-func>bind</c-func> call for a given
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1462 <value>address</value>:<value>port</value> pair.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1463 This is useful because if there are several <literal>listen</literal>
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1464 directives with the same port but different addresses, and one of the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1465 <literal>listen</literal> directives listens on all addresses
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1466 for the given port (<literal>*:</literal><value>port</value>), nginx
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1467 will <c-func>bind</c-func> only to <literal>*:</literal><value>port</value>.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1468 It should be noted that the <c-func>getsockname</c-func> system call will be
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1469 made in this case to determine the address that accepted the connection.
1035
e9c485d6cc0c Documented that "listen setfib=" implies "bind".
Ruslan Ermilov <ru@nginx.com>
parents: 1031
diff changeset
1470 If the <literal>setfib</literal>,
e9c485d6cc0c Documented that "listen setfib=" implies "bind".
Ruslan Ermilov <ru@nginx.com>
parents: 1031
diff changeset
1471 <literal>backlog</literal>, <literal>rcvbuf</literal>,
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1472 <literal>sndbuf</literal>, <literal>accept_filter</literal>,
1279
7261e621dd4a Documented that "listen ipv6only=" implies "bind".
Maxim Dounin <mdounin@mdounin.ru>
parents: 1257
diff changeset
1473 <literal>deferred</literal>, <literal>ipv6only</literal>,
7261e621dd4a Documented that "listen ipv6only=" implies "bind".
Maxim Dounin <mdounin@mdounin.ru>
parents: 1257
diff changeset
1474 or <literal>so_keepalive</literal> parameters
223
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1475 are used then for a given
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1476 <value>address</value>:<value>port</value> pair
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1477 a separate <c-func>bind</c-func> call will always be made.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1478 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1479
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1480 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1481 <literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1482 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1483 <tag-desc>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1484 this parameter (0.7.42) determines
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1485 (via the <c-def>IPV6_V6ONLY</c-def> socket option)
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1486 whether an IPv6 socket listening on a wildcard address <literal>[::]</literal>
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1487 will accept only IPv6 connections or both IPv6 and IPv4 connections.
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1488 This parameter is turned on by default.
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1489 It can only be set once on start.
615
f3ef5b77d22a Documented that "ipv6only" is now turned on by default for
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
1490 <note>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1491 Prior to version 1.3.4,
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1492 if this parameter was omitted then the operating system’s settings were
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1493 in effect for the socket.
615
f3ef5b77d22a Documented that "ipv6only" is now turned on by default for
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
1494 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1495 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1496
1507
14180fa9a518 Added ids for reuseport, mentioned reuseport in news.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1501
diff changeset
1497 <tag-name id="reuseport">
1493
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1498 <literal>reuseport</literal>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1499 </tag-name>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1500 <tag-desc>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1501 this parameter (1.9.1) instructs to create an individual listening socket
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1502 for each worker process
2199
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1503 (using the
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1504 <c-def>SO_REUSEPORT</c-def> socket option on Linux 3.9+ and DragonFly BSD,
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1505 or <c-def>SO_REUSEPORT_LB</c-def> on FreeBSD&nbsp;12+), allowing a kernel
1496
99ce48c8cce3 Corrected the "reuseport" description of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1493
diff changeset
1506 to distribute incoming connections between worker processes.
2199
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1507 This currently works only on Linux 3.9+, DragonFly BSD,
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1508 and FreeBSD 12+ (1.15.1).
1493
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1509 <note>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1510 Inappropriate use of this option may have its security
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1511 <link url="http://man7.org/linux/man-pages/man7/socket.7.html">implications</link>.
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1512 </note>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1513 </tag-desc>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1514
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1515 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1516 <literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]
223
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1517 </tag-name>
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1518 <tag-desc>
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1519 this parameter (1.1.11) configures the “TCP keepalive” behavior
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1520 for the listening socket.
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1521 If this parameter is omitted then the operating system’s settings will be
223
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1522 in effect for the socket.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1523 If it is set to the value “<literal>on</literal>”, the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1524 <c-def>SO_KEEPALIVE</c-def> option is turned on for the socket.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1525 If it is set to the value “<literal>off</literal>”, the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1526 <c-def>SO_KEEPALIVE</c-def> option is turned off for the socket.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1527 Some operating systems support setting of TCP keepalive parameters on
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1528 a per-socket basis using the <c-def>TCP_KEEPIDLE</c-def>,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1529 <c-def>TCP_KEEPINTVL</c-def>, and <c-def>TCP_KEEPCNT</c-def> socket options.
397
f1c0ae9c1c48 FreeBSD 10.0-CURRENT supports the TCP_KEEPIDLE, TCP_KEEPINTVL, and
Ruslan Ermilov <ru@nginx.com>
parents: 364
diff changeset
1530 On such systems (currently, Linux 2.4+, NetBSD 5+, and
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1531 FreeBSD 9.0-STABLE), they can be configured
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1532 using the <value>keepidle</value>, <value>keepintvl</value>, and
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1533 <value>keepcnt</value> parameters.
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1534 One or two parameters may be omitted, in which case the system default setting
223
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1535 for the corresponding socket option will be in effect.
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1536 For example,
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1537 <example>so_keepalive=30m::10</example>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1538 will set the idle timeout (<c-def>TCP_KEEPIDLE</c-def>) to 30 minutes,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1539 leave the probe interval (<c-def>TCP_KEEPINTVL</c-def>) at its system default,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1540 and set the probes count (<c-def>TCP_KEEPCNT</c-def>) to 10 probes.
223
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1541 </tag-desc>
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1542
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1543 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1544 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1545
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1546 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1547 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1548 <example>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1549 listen 127.0.0.1 default_server accept_filter=dataready backlog=1024;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1550 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1551 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1552
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1553 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1554
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1555
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1556 <directive name="location">
108
72524ae53106 Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents: 106
diff changeset
1557 <syntax block="yes">[
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1558 <literal>=</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1559 <literal>~</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1560 <literal>~*</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1561 <literal>^~</literal>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1562 ] <value>uri</value></syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1563 <syntax block="yes"><literal>@</literal><value>name</value></syntax>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1564 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1565 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1566 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1567
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1568 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1569 Sets configuration depending on a request URI.
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1570 </para>
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1571
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1572 <para>
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1573 The matching is performed against a normalized URI,
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1574 after decoding the text encoded in the “<literal>%XX</literal>” form,
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1575 resolving references to relative path components “<literal>.</literal>”
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1576 and “<literal>..</literal>”, and possible
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1577 <link id="merge_slashes">compression</link> of two or more
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1578 adjacent slashes into a single slash.
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1579 </para>
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1580
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1581 <para>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1582 A location can either be defined by a prefix string, or by a regular expression.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1583 Regular expressions are specified with the preceding
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1584 “<literal>~*</literal>” modifier (for case-insensitive matching), or the
810
7c72c3e67e77 The "location" directive: improved wording.
Ruslan Ermilov <ru@nginx.com>
parents: 779
diff changeset
1585 “<literal>~</literal>” modifier (for case-sensitive matching).
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1586 To find location matching a given request, nginx first checks
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1587 locations defined using the prefix strings (prefix locations).
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1588 Among them, the location with the longest matching
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1589 prefix is selected and remembered.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1590 Then regular expressions are checked, in the order of their appearance
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1591 in the configuration file.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1592 The search of regular expressions terminates on the first match,
244
9e2be02df2ce Fixed wording.
Ruslan Ermilov <ru@nginx.com>
parents: 241
diff changeset
1593 and the corresponding configuration is used.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1594 If no match with a regular expression is found then the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1595 configuration of the prefix location remembered earlier is used.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1596 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1597
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1598 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1599 <literal>location</literal> blocks can be nested, with some exceptions
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1600 mentioned below.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1601 </para>
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1602
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1603 <para>
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1904
diff changeset
1604 For case-insensitive operating systems such as macOS and Cygwin,
244
9e2be02df2ce Fixed wording.
Ruslan Ermilov <ru@nginx.com>
parents: 241
diff changeset
1605 matching with prefix strings ignores a case (0.7.7).
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1606 However, comparison is limited to one-byte locales.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1607 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1608
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1609 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1610 Regular expressions can contain captures (0.7.40) that can later
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1611 be used in other directives.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1612 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1613
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1614 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1615 If the longest matching prefix location has the “<literal>^~</literal>” modifier
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1616 then regular expressions are not checked.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1617 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1618
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1619 <para>
810
7c72c3e67e77 The "location" directive: improved wording.
Ruslan Ermilov <ru@nginx.com>
parents: 779
diff changeset
1620 Also, using the “<literal>=</literal>” modifier it is possible to define
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1621 an exact match of URI and location.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1622 If an exact match is found, the search terminates.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1623 For example, if a “<literal>/</literal>” request happens frequently,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1624 defining “<literal>location = /</literal>” will speed up the processing
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1625 of these requests, as search terminates right after the first
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1626 comparison.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1627 Such a location cannot obviously contain nested locations.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1628 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1629
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1630 <para>
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1631 <note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1632 In versions from 0.7.1 to 0.8.41, if a request matched the prefix
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1633 location without the “<literal>=</literal>” and “<literal>^~</literal>”
810
7c72c3e67e77 The "location" directive: improved wording.
Ruslan Ermilov <ru@nginx.com>
parents: 779
diff changeset
1634 modifiers, the search also terminated and regular expressions were
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1635 not checked.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1636 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1637 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1638
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1639 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1640 Let’s illustrate the above by an example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1641 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1642 location = / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1643 [ configuration A ]
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1644 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1645
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1646 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1647 [ configuration B ]
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1648 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1649
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1650 location /documents/ {
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1651 [ configuration C ]
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1652 }
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1653
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1654 location ^~ /images/ {
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1655 [ configuration D ]
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1656 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1657
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1658 location ~* \.(gif|jpg|jpeg)$ {
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1659 [ configuration E ]
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1660 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1661 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1662 The “<literal>/</literal>” request will match configuration A,
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1663 the “<literal>/index.html</literal>” request will match configuration B,
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1664 the “<literal>/documents/document.html</literal>” request will match
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1665 configuration C,
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1666 the “<literal>/images/1.gif</literal>” request will match configuration D, and
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1667 the “<literal>/documents/1.jpg</literal>” request will match configuration E.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1668 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1669
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1670 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1671 The “<literal>@</literal>” prefix defines a named location.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1672 Such a location is not used for a regular request processing, but instead
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1673 used for request redirection.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1674 They cannot be nested, and cannot contain nested locations.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1675 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1676
914
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1677 <para>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1678 If a location is defined by a prefix string that ends with the slash character,
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1679 and requests are processed by one of
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1680 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>,
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1681 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>,
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1682 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>,
2134
4cafd82e5007 Added info about gRPC to various modules.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2125
diff changeset
1683 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/>,
4cafd82e5007 Added info about gRPC to various modules.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2125
diff changeset
1684 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/>, or
4cafd82e5007 Added info about gRPC to various modules.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2125
diff changeset
1685 <link doc="ngx_http_grpc_module.xml" id="grpc_pass"/>,
1257
ac7a5ee98768 Split long sentence into two.
Ruslan Ermilov <ru@nginx.com>
parents: 1194
diff changeset
1686 then the special processing is performed.
ac7a5ee98768 Split long sentence into two.
Ruslan Ermilov <ru@nginx.com>
parents: 1194
diff changeset
1687 In response to a request with URI equal to this string,
914
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1688 but without the trailing slash,
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1689 a permanent redirect with the code 301 will be returned to the requested URI
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1690 with the slash appended.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1691 If this is not desired, an exact match of the URI and location could be
914
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1692 defined like this:
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1693 <example>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1694 location /user/ {
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1695 proxy_pass http://user.example.com;
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1696 }
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1697
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1698 location = /user {
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1699 proxy_pass http://login.example.com;
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1700 }
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1701 </example>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1702 </para>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1703
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1704 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1705 <migration from="Apache" directive="Location" />
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1706 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1707
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1708 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1709
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1710
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1711 <directive name="log_not_found">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1712 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1713 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1714 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1715 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1716 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1717
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1718 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1719 Enables or disables logging of errors about not found files into
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1720 <link doc="../ngx_core_module.xml" id="error_log"/>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1721 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1722
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1723 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1724
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1725
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1726 <directive name="log_subrequest">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1727 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1728 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1729 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1730 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1731 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1732
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1733 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1734 Enables or disables logging of subrequests into
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1735 <link doc="ngx_http_log_module.xml" id="access_log"/>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1736 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1737
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1738 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1739
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1740
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1741 <directive name="max_ranges">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1742 <syntax><value>number</value></syntax>
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1743 <default/>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1744 <context>http</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1745 <context>server</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1746 <context>location</context>
499
76a8eca844d0 Documented that "max_ranges" appeared in 1.1.2.
Ruslan Ermilov <ru@nginx.com>
parents: 477
diff changeset
1747 <appeared-in>1.1.2</appeared-in>
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1748
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1749 <para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1750 Limits the maximum allowed number of ranges in byte-range requests.
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1751 Requests that exceed the limit are processed as if there were no
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1752 byte ranges specified.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1753 By default, the number of ranges is not limited.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1754 The zero value disables the byte-range support completely.
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1755 </para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1756
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1757 </directive>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1758
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1759
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1760 <directive name="merge_slashes">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1761 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1762 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1763 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1764 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1765
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1766 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1767 Enables or disables compression of two or more adjacent slashes
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1768 in a URI into a single slash.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1769 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1770
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1771 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1772 Note that compression is essential for the correct matching of prefix string
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1773 and regular expression locations.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1774 Without it, the “<literal>//scripts/one.php</literal>” request would not match
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1775 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1776 location /scripts/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1777 ...
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1778 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1779 </example>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1780 and might be processed as a static file.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1781 So it gets converted to “<literal>/scripts/one.php</literal>”.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1782 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1783
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1784 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1785 Turning the compression <literal>off</literal> can become necessary if a URI
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1786 contains base64-encoded names, since base64 uses the “<literal>/</literal>”
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
1787 character internally.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1788 However, for security considerations, it is better to avoid turning
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1789 the compression off.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1790 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1791
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1792 <para>
1023
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
1793 If the directive is specified on the <link id="server"/> level,
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
1794 its value is only used if a server is a default one.
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
1795 The value specified also applies to all virtual servers
442
b423d725a932 Try to emphasize that "underscores_in_headers" and "merge_slashes",
Ruslan Ermilov <ru@nginx.com>
parents: 438
diff changeset
1796 listening on the same address and port.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1797 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1798
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1799 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1800
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1801
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1802 <directive name="msie_padding">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1803 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1804 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1805 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1806 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1807 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1808
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1809 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1810 Enables or disables adding comments to responses for MSIE clients with status
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1811 greater than 400 to increase the response size to 512 bytes.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1812 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1813
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1814 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1815
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1816
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1817 <directive name="msie_refresh">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1818 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1819 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1820 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1821 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1822 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1823
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1824 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1825 Enables or disables issuing refreshes instead of redirects for MSIE clients.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1826 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1827
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1828 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1829
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1830
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1831 <directive name="open_file_cache">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1832 <syntax><literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1833 <syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1834 <literal>max</literal>=<value>N</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1835 [<literal>inactive</literal>=<value>time</value>]</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1836 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1837 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1838 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1839 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1840
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1841 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1842 Configures a cache that can store:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1843 <list type="bullet">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1844
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1845 <listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1846 open file descriptors, their sizes and modification times;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1847 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1848
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1849 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1850 information on existence of directories;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1851 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1852
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1853 <listitem>
68
9de85defbcf8 - "optimize_server_names" is deprecated in favour of "server_name_in_redirects"
Ruslan Ermilov <ru@nginx.com>
parents: 67
diff changeset
1854 file lookup errors, such as “file not found”, “no read permission”,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1855 and so on.
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
1856 <note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1857 Caching of errors should be enabled separately by the
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1858 <link id="open_file_cache_errors"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1859 directive.
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
1860 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1861 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1862
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1863 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1864 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1865
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1866 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1867 The directive has the following parameters:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1868 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1869
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1870 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1871 <literal>max</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1872 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1873 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1874 sets the maximum number of elements in the cache;
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1875 on cache overflow the least recently used (LRU) elements are removed;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1876 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1877
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1878 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1879 <literal>inactive</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1880 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1881 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1882 defines a time after which an element is removed from the cache
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1883 if it has not been accessed during this time;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1884 by default, it is 60 seconds;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1885 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1886
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1887 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1888 <literal>off</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1889 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1890 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1891 disables the cache.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1892 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1893
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1894 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1895 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1896
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1897 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1898 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1899 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1900 open_file_cache max=1000 inactive=20s;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1901 open_file_cache_valid 30s;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1902 open_file_cache_min_uses 2;
270
945d7299c26c Spaces are now preserved here, so removed all the hacks.
Ruslan Ermilov <ru@nginx.com>
parents: 252
diff changeset
1903 open_file_cache_errors on;<!--
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1904 open_file_cache_events on;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1905 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1906 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1907 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1908
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1909 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1910
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1911
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1912 <directive name="open_file_cache_errors">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1913 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1914 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1915 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1916 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1917 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1918
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1919 <para>
68
9de85defbcf8 - "optimize_server_names" is deprecated in favour of "server_name_in_redirects"
Ruslan Ermilov <ru@nginx.com>
parents: 67
diff changeset
1920 Enables or disables caching of file lookup errors by
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1921 <link id="open_file_cache"/>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1922 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1923
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1924 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1925
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1926
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1927 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1928
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1929 <directive name="open_file_cache_events">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1930 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1931 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1932 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1933 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1934 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1935
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1936 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1937 Enables to use kernel events to validate
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1938 <link id="open_file_cache"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1939 elements.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1940 This directive works with the
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1941 <link doc="../events.xml" id="kqueue"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1942 method only.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1943 Note that only NetBSD&nbsp;2.0+ and FreeBSD&nbsp;6.0+
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1944 support events for arbitrary file system types.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1945 Other operating systems support events only for essential
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1946 file systems such as UFS or FFS.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1947 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1948
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1949 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1950
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1951 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1952
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1953
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1954 <directive name="open_file_cache_min_uses">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1955 <syntax><value>number</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1956 <default>1</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1957 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1958 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1959 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1960
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1961 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1962 Sets the minimum <value>number</value> of file accesses during
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1963 the period configured by the <literal>inactive</literal> parameter
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1964 of the <link id="open_file_cache"/> directive, required for a file
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1965 descriptor to remain open in the cache.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1966 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1967
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1968 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1969
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1970
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1971 <directive name="open_file_cache_valid">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1972 <syntax><value>time</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
1973 <default>60s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1974 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1975 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1976 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1977
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1978 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1979 Sets a time after which
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1980 <link id="open_file_cache"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1981 elements should be validated.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1982 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1983 When
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1984 <link id="open_file_cache_events"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1985 is enabled, open file descriptors
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1986 are checked only once, and then updated right after they get changed.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1987 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1988 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1989
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1990 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1991
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1992
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1993 <directive name="output_buffers">
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1994 <syntax><value>number</value> <value>size</value></syntax>
1576
7f97ab081d24 Changed default value in the output_buffers directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1567
diff changeset
1995 <default>2 32k</default>
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1996 <context>http</context>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1997 <context>server</context>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1998 <context>location</context>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1999
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2000 <para>
1151
4c2324a7eeea Corrected the usage of articles and a comma.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1149
diff changeset
2001 Sets the <value>number</value> and <value>size</value> of the
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2002 buffers used for reading a response from a disk.
1576
7f97ab081d24 Changed default value in the output_buffers directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1567
diff changeset
2003 <note>
7f97ab081d24 Changed default value in the output_buffers directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1567
diff changeset
2004 Prior to version 1.9.5, the default value was 1 32k.
7f97ab081d24 Changed default value in the output_buffers directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1567
diff changeset
2005 </note>
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2006 </para>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2007
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2008 </directive>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2009
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
2010
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2011 <directive name="port_in_redirect">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2012 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2013 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2014 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2015 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2016 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2017
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2018 <para>
1879
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
2019 Enables or disables specifying the port in
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
2020 <link id="absolute_redirect">absolute</link> redirects issued by nginx.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2021 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2022
159
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2023 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2024 The use of the primary server name in redirects is controlled by
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2025 the <link id="server_name_in_redirect"/> directive.
159
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2026 </para>
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2027
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2028 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2029
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2030
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2031 <directive name="postpone_output">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2032 <syntax><value>size</value></syntax>
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2033 <default>1460</default>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2034 <context>http</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2035 <context>server</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2036 <context>location</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2037
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2038 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2039 If possible, the transmission of client data will be postponed until
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2040 nginx has at least <value>size</value> bytes of data to send.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2041 The zero value disables postponing data transmission.
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2042 </para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2043
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2044 </directive>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2045
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2046
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2047 <directive name="read_ahead">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2048 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2049 <default>0</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2050 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2051 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2052 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2053
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2054 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2055 Sets the amount of pre-reading for the kernel when working with file.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2056 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2057
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2058 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2059 On Linux, the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2060 <literal>posix_fadvise(0, 0, 0, POSIX_FADV_SEQUENTIAL)</literal>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2061 system call is used, and so the <value>size</value> parameter is ignored.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2062 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2063
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2064 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2065 On FreeBSD, the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2066 <literal>fcntl(O_READAHEAD,</literal>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2067 <value>size</value><literal>)</literal>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2068 system call, supported since FreeBSD&nbsp;9.0-CURRENT, is used.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2069 FreeBSD&nbsp;7 has to be
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2070 <link url="http://sysoev.ru/freebsd/patch.readahead.txt">patched</link>.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2071 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2072
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2073 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2074
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2075
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2076 <directive name="recursive_error_pages">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2077 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2078 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2079 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2080 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2081 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2082
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2083 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2084 Enables or disables doing several redirects using the
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
2085 <link id="error_page"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2086 directive.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2087 The number of such redirects is <link id="internal">limited</link>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2088 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2089
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2090 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2091
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2092
169
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2093 <directive name="request_pool_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2094 <syntax><value>size</value></syntax>
169
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2095 <default>4k</default>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2096 <context>http</context>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2097 <context>server</context>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2098
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2099 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2100 Allows accurate tuning of per-request memory allocations.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2101 This directive has minimal impact on performance
169
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2102 and should not generally be used.
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2103 </para>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2104
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2105 </directive>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2106
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2107
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2108 <directive name="reset_timedout_connection">
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2109 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2110 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2111 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2112 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2113 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2114
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2115 <para>
2390
655e7de7fd4b Documented "return 444" when reset_timedout_connection is on.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2384
diff changeset
2116 Enables or disables resetting timed out connections
655e7de7fd4b Documented "return 444" when reset_timedout_connection is on.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2384
diff changeset
2117 and connections
655e7de7fd4b Documented "return 444" when reset_timedout_connection is on.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2384
diff changeset
2118 <link doc="ngx_http_rewrite_module.xml" id="return">closed</link>
655e7de7fd4b Documented "return 444" when reset_timedout_connection is on.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2384
diff changeset
2119 with the non-standard code 444 (1.15.2).
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2120 The reset is performed as follows.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2121 Before closing a socket, the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2122 <c-def>SO_LINGER</c-def>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2123 option is set on it with a timeout value of 0.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2124 When the socket is closed, TCP RST is sent to the client, and all memory
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2125 occupied by this socket is released.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2126 This helps avoid keeping an already closed socket with filled buffers
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2127 in a FIN_WAIT1 state for a long time.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2128 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2129
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2130 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2131 It should be noted that timed out keep-alive connections are
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2132 closed normally.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2133 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2134
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2135 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2136
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2137
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2138 <directive name="resolver">
185
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2139 <syntax>
1031
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2140 <value>address</value> ...
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2141 [<literal>valid</literal>=<value>time</value>]
2424
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2142 [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2143 [<literal>status_zone</literal>=<value>zone</value>]</syntax>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2144 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2145 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2146 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2147 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2148
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2149 <para>
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2150 Configures name servers used to resolve names of upstream servers
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2151 into addresses, for example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2152 <example>
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2153 resolver 127.0.0.1 [::1]:5353;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2154 </example>
2452
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2155 The address can be specified as a domain name or IP address,
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2156 with an optional port (1.3.1, 1.2.2).
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2157 If port is not specified, the port 53 is used.
143
370cf5ccd3ca The "resolver" directive now allows specifying multiple name servers.
Ruslan Ermilov <ru@nginx.com>
parents: 140
diff changeset
2158 Name servers are queried in a round-robin fashion.
370cf5ccd3ca The "resolver" directive now allows specifying multiple name servers.
Ruslan Ermilov <ru@nginx.com>
parents: 140
diff changeset
2159 <note>
370cf5ccd3ca The "resolver" directive now allows specifying multiple name servers.
Ruslan Ermilov <ru@nginx.com>
parents: 140
diff changeset
2160 Before version 1.1.7, only a single name server could be configured.
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2161 Specifying name servers using IPv6 addresses is supported
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 553
diff changeset
2162 starting from versions 1.3.1 and 1.2.2.
143
370cf5ccd3ca The "resolver" directive now allows specifying multiple name servers.
Ruslan Ermilov <ru@nginx.com>
parents: 140
diff changeset
2163 </note>
2452
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2164 </para>
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2165
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2166 <para id="resolver_ipv6">
1031
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2167 By default, nginx will look up both IPv4 and IPv6 addresses while resolving.
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2168 If looking up of IPv6 addresses is not desired,
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2169 the <literal>ipv6=off</literal> parameter can be specified.
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2170 <note>
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2171 Resolving of names into IPv6 addresses is supported
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2172 starting from version 1.5.8.
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2173 </note>
2452
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2174 </para>
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2175
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2176 <para id="resolver_valid">
185
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2177 By default, nginx caches answers using the TTL value of a response.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2178 An optional <literal>valid</literal> parameter allows overriding it:
185
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2179 <example>
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2180 resolver 127.0.0.1 [::1]:5353 valid=30s;
185
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2181 </example>
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2182 <note>
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2183 Before version 1.1.9, tuning of caching time was not possible,
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2184 and nginx always cached answers for the duration of 5 minutes.
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2185 </note>
1770
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2186 <note>
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2187 To prevent DNS spoofing, it is recommended
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2188 configuring DNS servers in a properly secured trusted local network.
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2189 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2190 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2191
2424
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2192 <para id="resolver_status_zone">
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2193 The optional <literal>status_zone</literal> parameter (1.17.1)
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2194 enables
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2195 <link doc="ngx_http_api_module.xml" id="resolvers_">collection</link>
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2196 of DNS server statistics of requests and responses
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2197 in the specified <value>zone</value>.
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2198 The parameter is available as part of our
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2199 <commercial_version>commercial subscription</commercial_version>.
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2200 </para>
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2201
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2202 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2203
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2204
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2205 <directive name="resolver_timeout">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2206 <syntax><value>time</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2207 <default>30s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2208 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2209 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2210 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2211
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2212 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2213 Sets a timeout for name resolution, for example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2214 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2215 resolver_timeout 5s;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2216 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2217 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2218
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2219 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2220
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2221
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2222 <directive name="root">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2223 <syntax><value>path</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2224 <default>html</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2225 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2226 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2227 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2228 <context>if in location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2229
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2230 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2231 Sets the root directory for requests.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2232 For example, with the following configuration
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2233 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2234 location /i/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2235 root /data/w3;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2236 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2237 </example>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2238 The <path>/data/w3/i/top.gif</path> file will be sent in response to
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2239 the “<literal>/i/top.gif</literal>” request.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2240 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2241
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2242 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2243 The <value>path</value> value can contain variables,
69
935beaa561b3 - use of $document_root and $realpath_root in "root" is prohibited
Ruslan Ermilov <ru@nginx.com>
parents: 68
diff changeset
2244 except <var>$document_root</var> and <var>$realpath_root</var>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2245 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2246
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2247 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2248 A path to the file is constructed by merely adding a URI to the value
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2249 of the <literal>root</literal> directive.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2250 If a URI has to be modified, the
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
2251 <link id="alias"/> directive should be used.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2252 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2253
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2254 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2255
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2256
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2257 <directive name="satisfy">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2258 <syntax><literal>all</literal> | <literal>any</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2259 <default>all</default>
69
935beaa561b3 - use of $document_root and $realpath_root in "root" is prohibited
Ruslan Ermilov <ru@nginx.com>
parents: 68
diff changeset
2260 <context>http</context>
935beaa561b3 - use of $document_root and $realpath_root in "root" is prohibited
Ruslan Ermilov <ru@nginx.com>
parents: 68
diff changeset
2261 <context>server</context>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2262 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2263
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2264 <para>
971
6316a7579448 Documented the "ngx_http_auth_request" module.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
2265 Allows access if all (<literal>all</literal>) or at least one
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2266 (<literal>any</literal>) of the
971
6316a7579448 Documented the "ngx_http_auth_request" module.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
2267 <link doc="ngx_http_access_module.xml">ngx_http_access_module</link>,
1763
a7974b8d2a23 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1732
diff changeset
2268 <link doc="ngx_http_auth_basic_module.xml">ngx_http_auth_basic_module</link>,
a7974b8d2a23 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1732
diff changeset
2269 <link doc="ngx_http_auth_request_module.xml">ngx_http_auth_request_module</link>,
a7974b8d2a23 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1732
diff changeset
2270 or
a7974b8d2a23 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1732
diff changeset
2271 <link doc="ngx_http_auth_jwt_module.xml">ngx_http_auth_jwt_module</link>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2272 modules allow access.
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2273 </para>
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2274
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2275 <para>
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2276 Example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2277 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2278 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2279 satisfy any;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2280
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2281 allow 192.168.1.0/32;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2282 deny all;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2283
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2284 auth_basic "closed site";
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2285 auth_basic_user_file conf/htpasswd;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2286 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2287 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2288 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2289
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2290 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2291
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2292
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2293 <directive name="send_lowat">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2294 <syntax><value>size</value></syntax>
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2295 <default>0</default>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2296 <context>http</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2297 <context>server</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2298 <context>location</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2299
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2300 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2301 If the directive is set to a non-zero value, nginx will try to minimize
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2302 the number of send operations on client sockets by using either
553
6330ca27a485 Translated "events" into English.
Ruslan Ermilov <ru@nginx.com>
parents: 541
diff changeset
2303 <c-def>NOTE_LOWAT</c-def> flag of the
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2304 <link doc="../events.xml" id="kqueue"/> method
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2305 or the <c-def>SO_SNDLOWAT</c-def> socket option.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2306 In both cases the specified <value>size</value> is used.
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2307 </para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2308
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2309 <para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2310 This directive is ignored on Linux, Solaris, and Windows.
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2311 </para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2312
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2313 </directive>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2314
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2315
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2316 <directive name="send_timeout">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2317 <syntax><value>time</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2318 <default>60s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2319 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2320 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2321 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2322
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2323 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2324 Sets a timeout for transmitting a response to the client.
1149
1501e5848052 Corrected the usage of the definite article.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1132
diff changeset
2325 The timeout is set only between two successive write operations,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2326 not for the transmission of the whole response.
1149
1501e5848052 Corrected the usage of the definite article.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1132
diff changeset
2327 If the client does not receive anything within this time,
1501e5848052 Corrected the usage of the definite article.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1132
diff changeset
2328 the connection is closed.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2329 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2330
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2331 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2332
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2333
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2334 <directive name="sendfile">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2335
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2336 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2337 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2338 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2339 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2340 <context>location</context>
69
935beaa561b3 - use of $document_root and $realpath_root in "root" is prohibited
Ruslan Ermilov <ru@nginx.com>
parents: 68
diff changeset
2341 <context>if in location</context>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2342
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2343 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2344 Enables or disables the use of
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2345 <c-func>sendfile</c-func>.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2346 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2347
1432
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2348 <para>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2349 Starting from nginx&nbsp;0.8.12 and FreeBSD&nbsp;5.2.1,
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2350 <link id="aio"/> can be used to pre-load data
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2351 for <c-func>sendfile</c-func>:
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2352 <example>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2353 location /video/ {
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2354 sendfile on;
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2355 tcp_nopush on;
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2356 aio on;
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2357 }
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2358 </example>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2359 In this configuration, <c-func>sendfile</c-func> is called with
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2360 the <c-def>SF_NODISKIO</c-def> flag which causes it not to block on disk I/O,
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2361 but, instead, report back that the data are not in memory.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2362 nginx then initiates an asynchronous data load by reading one byte.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2363 On the first read, the FreeBSD kernel loads the first 128K bytes
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2364 of a file into memory, although next reads will only load data in 16K chunks.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2365 This can be changed using the
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2366 <link id="read_ahead"/> directive.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2367 <note>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2368 Before version 1.7.11, pre-loading could be enabled with
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2369 <literal>aio sendfile;</literal>.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2370 </note>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2371 </para>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2372
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2373 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2374
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2375
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2376 <directive name="sendfile_max_chunk">
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2377
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2378 <syntax><value>size</value></syntax>
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2379 <default>0</default>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2380 <context>http</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2381 <context>server</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2382 <context>location</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2383
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2384 <para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2385 When set to a non-zero value, limits the amount of data that can be
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2386 transferred in a single <c-func>sendfile</c-func> call.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2387 Without the limit, one fast connection may seize the worker process entirely.
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2388 </para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2389
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2390 </directive>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2391
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2392
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2393 <directive name="server">
108
72524ae53106 Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents: 106
diff changeset
2394 <syntax block="yes"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2395 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2396 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2397
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2398 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2399 Sets configuration for a virtual server.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2400 There is no clear separation between IP-based (based on the IP address)
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2401 and name-based (based on the <header>Host</header> request header field)
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2402 virtual servers.
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
2403 Instead, the <link id="listen"/> directives describe all
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2404 addresses and ports that should accept connections for the server, and the
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
2405 <link id="server_name"/> directive lists all server names.
522
ef11546f75ee Translated "request_processing" into Russian, removed "virtual_hosts"
Ruslan Ermilov <ru@nginx.com>
parents: 506
diff changeset
2406 Example configurations are provided in the
ef11546f75ee Translated "request_processing" into Russian, removed "virtual_hosts"
Ruslan Ermilov <ru@nginx.com>
parents: 506
diff changeset
2407 “<link doc="request_processing.xml"/>” document.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2408 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2409
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2410 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2411
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2412
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2413 <directive name="server_name">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2414 <syntax><value>name</value> ...</syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2415 <default>""</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2416 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2417
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2418 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2419 Sets names of a virtual server, for example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2420 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2421 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2422 server_name example.com www.example.com;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2423 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2424 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2425 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2426
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2427 <para>
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2428 The first name becomes the primary server name.
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2429 </para>
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2430
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2431 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2432 Server names can include an asterisk (“<literal>*</literal>”)
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2433 replacing the first or last part of a name:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2434 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2435 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2436 server_name example.com *.example.com www.example.*;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2437 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2438 </example>
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2439 Such names are called wildcard names.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2440 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2441
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2442 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2443 The first two of the names mentioned above can be combined in one:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2444 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2445 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2446 server_name .example.com;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2447 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2448 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2449 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2450
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2451 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2452 It is also possible to use regular expressions in server names,
1101
ebe027a963f4 Typo fixed.
Andrei Belov <defan@nginx.com>
parents: 1097
diff changeset
2453 preceding the name with a tilde (“<literal>~</literal>”):
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2454 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2455 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2456 server_name www.example.com ~^www\d+\.example\.com$;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2457 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2458 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2459 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2460
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2461 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2462 Regular expressions can contain captures (0.7.40) that can later
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2463 be used in other directives:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2464 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2465 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2466 server_name ~^(www\.)?(.+)$;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2467
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2468 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2469 root /sites/$2;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2470 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2471 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2472
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2473 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2474 server_name _;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2475
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2476 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2477 root /sites/default;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2478 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2479 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2480 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2481 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2482
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2483 <para>
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2484 Named captures in regular expressions create variables (0.8.25)
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2485 that can later be used in other directives:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2486 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2487 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2488 server_name ~^(www\.)?(?&lt;domain&gt;.+)$;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2489
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2490 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2491 root /sites/$domain;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2492 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2493 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2494
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2495 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2496 server_name _;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2497
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2498 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2499 root /sites/default;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2500 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2501 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2502 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2503 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2504
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2505 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2506 If the directive’s parameter is set to “<var>$hostname</var>” (0.9.4), the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2507 machine’s hostname is inserted.
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2508 </para>
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2509
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2510 <para>
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2511 It is also possible to specify an empty server name (0.7.11):
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2512 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2513 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2514 server_name www.example.com "";
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2515 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2516 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2517 It allows this server to process requests without the <header>Host</header>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2518 header field — instead of the default server — for the given address:port pair.
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2519 This is the default setting.
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2520 <note>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
2521 Before 0.8.48, the machine’s hostname was used by default.
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2522 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2523 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2524
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2525 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2526 During searching for a virtual server by name,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2527 if the name matches more than one of the specified variants,
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2528 (e.g. both a wildcard name and regular expression match), the first matching
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2529 variant will be chosen, in the following order of priority:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2530 <list type="enum">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2531
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2532 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2533 the exact name
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2534 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2535
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2536 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2537 the longest wildcard name starting with an asterisk,
587
5bb7716cae7e Documented in more depth how server names are matched.
Ruslan Ermilov <ru@nginx.com>
parents: 580
diff changeset
2538 e.g. “<literal>*.example.com</literal>”
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2539 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2540
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2541 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2542 the longest wildcard name ending with an asterisk,
587
5bb7716cae7e Documented in more depth how server names are matched.
Ruslan Ermilov <ru@nginx.com>
parents: 580
diff changeset
2543 e.g. “<literal>mail.*</literal>”
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2544 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2545
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2546 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2547 the first matching regular expression
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2548 (in order of appearance in the configuration file)
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2549 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2550
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2551 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2552 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2553
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2554 <para>
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2555 Detailed description of server names is provided in a separate
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2556 <link doc="server_names.xml"/> document.
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2557 </para>
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2558
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2559 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2560
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2561
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2562 <directive name="server_name_in_redirect">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2563 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2564 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2565 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2566 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2567 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2568
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2569 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2570 Enables or disables the use of the primary server name, specified by the
1879
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
2571 <link id="server_name"/> directive,
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
2572 in <link id="absolute_redirect">absolute</link> redirects issued by nginx.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2573 When the use of the primary server name is disabled, the name from the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2574 <header>Host</header> request header field is used.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2575 If this field is not present, the IP address of the server is used.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2576 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2577
159
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2578 <para>
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2579 The use of a port in redirects is controlled by
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2580 the <link id="port_in_redirect"/> directive.
159
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2581 </para>
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2582
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2583 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2584
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2585
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2586 <directive name="server_names_hash_bucket_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2587 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2588 <default>32|64|128</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2589 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2590
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2591 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2592 Sets the bucket size for the server names hash tables.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2593 The default value depends on the size of the processor’s cache line.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2594 The details of setting up hash tables are provided in a separate
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2595 <link doc="../hash.xml">document</link>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2596 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2597
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2598 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2599
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2600
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2601 <directive name="server_names_hash_max_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2602 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2603 <default>512</default>
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2604 <context>http</context>
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2605
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2606 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2607 Sets the maximum <value>size</value> of the server names hash tables.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2608 The details of setting up hash tables are provided in a separate
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2609 <link doc="../hash.xml">document</link>.
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2610 </para>
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2611
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2612 </directive>
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2613
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2614
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2615 <directive name="server_tokens">
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2616 <syntax>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2617 <literal>on</literal> |
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2618 <literal>off</literal> |
1904
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2619 <literal>build</literal> |
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2620 <value>string</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2621 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2622 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2623 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2624 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2625
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2626 <para>
1903
da00a2526415 Replaced "error messages" with "error pages" in server_tokens.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1879
diff changeset
2627 Enables or disables emitting nginx version on error pages and in the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2628 <header>Server</header> response header field.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2629 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2630
1904
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2631 <para id="server_tokens_build">
1953
408eed0bf491 Clarified description of server_tokens build.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1923
diff changeset
2632 The <literal>build</literal> parameter (1.11.10) enables emitting
408eed0bf491 Clarified description of server_tokens build.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1923
diff changeset
2633 a <link doc="../configure.xml" id="build">build name</link>
408eed0bf491 Clarified description of server_tokens build.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1923
diff changeset
2634 along with nginx version.
1904
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2635 </para>
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2636
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2637 <para>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2638 Additionally, as part of our
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2639 <commercial_version>commercial subscription</commercial_version>,
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2640 starting from version 1.9.13
1903
da00a2526415 Replaced "error messages" with "error pages" in server_tokens.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1879
diff changeset
2641 the signature on error pages and
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2642 the <header>Server</header> response header field value
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2643 can be set explicitly using the <value>string</value> with variables.
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2644 An empty string disables the emission of the <header>Server</header> field.
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2645 </para>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2646
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2647 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2648
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2649
2118
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2650 <directive name="subrequest_output_buffer_size">
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2651 <syntax><value>size</value></syntax>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2652 <default>4k|8k</default>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2653 <context>http</context>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2654 <context>server</context>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2655 <context>location</context>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2656 <appeared-in>1.13.10</appeared-in>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2657
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2658 <para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2659 Sets the <value>size</value> of the buffer used for
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2660 storing the response body of a subrequest.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2661 By default, the buffer size is equal to one memory page.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2662 This is either 4K or 8K, depending on a platform.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2663 It can be made smaller, however.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2664 </para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2665
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2666 <para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2667 The directive is applicable only for subrequests
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2668 with response bodies saved into memory.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2669 For example, such subrequests are created by
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2670 <link doc="ngx_http_ssi_module.xml" id="ssi_include_set">SSI</link>.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2671 </para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2672
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2673 </directive>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2674
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2675
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2676 <directive name="tcp_nodelay">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2677 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2678 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2679 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2680 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2681 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2682
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2683 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2684 Enables or disables the use of the <c-def>TCP_NODELAY</c-def> option.
2121
cf9e3d2893b6 Fixed description of the http tcp_nodelay directive.
Ruslan Ermilov <ru@nginx.com>
parents: 2118
diff changeset
2685 The option is enabled when a connection is transitioned into the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2686 keep-alive state.
2121
cf9e3d2893b6 Fixed description of the http tcp_nodelay directive.
Ruslan Ermilov <ru@nginx.com>
parents: 2118
diff changeset
2687 Additionally, it is enabled on SSL connections,
cf9e3d2893b6 Fixed description of the http tcp_nodelay directive.
Ruslan Ermilov <ru@nginx.com>
parents: 2118
diff changeset
2688 for unbuffered proxying,
cf9e3d2893b6 Fixed description of the http tcp_nodelay directive.
Ruslan Ermilov <ru@nginx.com>
parents: 2118
diff changeset
2689 and for <link doc="websocket.xml">WebSocket</link> proxying.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2690 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2691
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2692 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2693
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2694
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2695 <directive name="tcp_nopush">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2696 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2697 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2698 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2699 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2700 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2701
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2702 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2703 Enables or disables the use of
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2704 the <c-def>TCP_NOPUSH</c-def> socket option on FreeBSD
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2705 or the <c-def>TCP_CORK</c-def> socket option on Linux.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2706 The options are enabled only when <link id="sendfile"/> is used.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2707 Enabling the option allows
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2708 <list type="bullet">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2709
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2710 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2711 sending the response header and the beginning of a file in one packet,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2712 on Linux and FreeBSD&nbsp;4.*;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2713 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2714
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2715 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2716 sending a file in full packets.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2717 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2718
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2719 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2720 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2721
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2722 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2723
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2724
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2725 <directive name="try_files">
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2726 <syntax><value>file</value> ... <value>uri</value></syntax>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2727 <syntax><value>file</value> ... =<value>code</value></syntax>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2728 <default/>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2729 <context>server</context>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2730 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2731
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2732 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2733 Checks the existence of files in the specified order and uses
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2734 the first found file for request processing; the processing
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2735 is performed in the current context.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2736 The path to a file is constructed from the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2737 <value>file</value> parameter
174
69c131b0ebe0 Rephrased a sentence about "try_files" so that "alias" isn't called a prefix.
Ruslan Ermilov <ru@nginx.com>
parents: 173
diff changeset
2738 according to the
69c131b0ebe0 Rephrased a sentence about "try_files" so that "alias" isn't called a prefix.
Ruslan Ermilov <ru@nginx.com>
parents: 173
diff changeset
2739 <link id="root"/> and <link id="alias"/> directives.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2740 It is possible to check directory’s existence by specifying
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2741 a slash at the end of a name, e.g. “<literal>$uri/</literal>”.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2742 If none of the files were found, an internal redirect to the
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2743 <value>uri</value> specified in the last parameter is made.
173
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2744 For example:
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2745 <example>
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2746 location /images/ {
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2747 try_files $uri /images/default.gif;
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2748 }
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2749
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2750 location = /images/default.gif {
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2751 expires 30s;
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2752 }
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2753 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2754 The last parameter can also point to a named location,
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2755 as shown in examples below.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2756 Starting from version 0.7.51, the last parameter can also be a
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2757 <value>code</value>:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2758 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2759 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2760 try_files $uri $uri/index.html $uri.html =404;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2761 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2762 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2763 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2764
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2765 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2766 Example in proxying Mongrel:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2767 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2768 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2769 try_files /system/maintenance.html
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2770 $uri $uri/index.html $uri.html
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2771 @mongrel;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2772 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2773
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2774 location @mongrel {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2775 proxy_pass http://mongrel;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2776 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2777 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2778 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2779
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2780 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2781 Example for Drupal/FastCGI:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2782 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2783 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2784 try_files $uri $uri/ @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2785 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2786
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2787 location ~ \.php$ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2788 try_files $uri @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2789
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2790 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2791
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2792 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2793 fastcgi_param SCRIPT_NAME $fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2794 fastcgi_param QUERY_STRING $args;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2795
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2796 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2797 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2798
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2799 location @drupal {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2800 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2801
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2802 fastcgi_param SCRIPT_FILENAME /path/to/index.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2803 fastcgi_param SCRIPT_NAME /index.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2804 fastcgi_param QUERY_STRING q=$uri&amp;$args;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2805
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2806 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2807 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2808 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2809 In the following example,
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2810 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2811 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2812 try_files $uri $uri/ @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2813 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2814 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2815 the <literal>try_files</literal> directive is equivalent to
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2816 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2817 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2818 error_page 404 = @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2819 log_not_found off;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2820 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2821 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2822 And here,
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2823 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2824 location ~ \.php$ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2825 try_files $uri @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2826
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2827 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2828
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2829 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2830
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2831 ...
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2832 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2833 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2834 <literal>try_files</literal> checks the existence of the PHP file
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2835 before passing the request to the FastCGI server.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2836 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2837
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2838 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2839 Example for Wordpress and Joomla:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2840 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2841 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2842 try_files $uri $uri/ @wordpress;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2843 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2844
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2845 location ~ \.php$ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2846 try_files $uri @wordpress;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2847
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2848 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2849
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2850 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2851 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2852 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2853
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2854 location @wordpress {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2855 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2856
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2857 fastcgi_param SCRIPT_FILENAME /path/to/index.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2858 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2859 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2860 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2861 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2862
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2863 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2864
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2865
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2866 <directive name="types">
108
72524ae53106 Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents: 106
diff changeset
2867 <syntax block="yes"/>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2868 <default>
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2869 text/html html;
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2870 image/gif gif;
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2871 image/jpeg jpg;
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2872 </default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2873 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2874 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2875 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2876
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2877 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2878 Maps file name extensions to MIME types of responses.
160
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2879 Extensions are case-insensitive.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2880 Several extensions can be mapped to one type, for example:
160
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2881 <example>
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2882 types {
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2883 application/octet-stream bin exe dll;
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2884 application/octet-stream deb;
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2885 application/octet-stream dmg;
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2886 }
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2887 </example>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2888 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2889
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2890 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2891 A sufficiently full mapping table is distributed with nginx in the
148
682163f2b298 Unified article/path and module/pathname into a single "path".
Ruslan Ermilov <ru@nginx.com>
parents: 147
diff changeset
2892 <path>conf/mime.types</path> file.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2893 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2894
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2895 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2896 To make a particular location emit the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2897 “<literal>application/octet-stream</literal>”
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2898 MIME type for all requests, the following configuration can be used:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2899 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2900 location /download/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2901 types { }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2902 default_type application/octet-stream;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2903 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2904 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2905 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2906
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2907 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2908
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2909
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2910 <directive name="types_hash_bucket_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2911 <syntax><value>size</value></syntax>
1132
8bdb4eb27f48 Documented the new default of "types_hash_bucket_size".
Ruslan Ermilov <ru@nginx.com>
parents: 1110
diff changeset
2912 <default>64</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2913 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2914 <context>server</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2915 <context>location</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2916
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2917 <para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2918 Sets the bucket size for the types hash tables.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2919 The details of setting up hash tables are provided in a separate
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2920 <link doc="../hash.xml">document</link>.
1132
8bdb4eb27f48 Documented the new default of "types_hash_bucket_size".
Ruslan Ermilov <ru@nginx.com>
parents: 1110
diff changeset
2921 <note>
8bdb4eb27f48 Documented the new default of "types_hash_bucket_size".
Ruslan Ermilov <ru@nginx.com>
parents: 1110
diff changeset
2922 Prior to version 1.5.13,
8bdb4eb27f48 Documented the new default of "types_hash_bucket_size".
Ruslan Ermilov <ru@nginx.com>
parents: 1110
diff changeset
2923 the default value depended on the size of the processor’s cache line.
8bdb4eb27f48 Documented the new default of "types_hash_bucket_size".
Ruslan Ermilov <ru@nginx.com>
parents: 1110
diff changeset
2924 </note>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2925 </para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2926
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2927 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2928
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2929
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2930 <directive name="types_hash_max_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2931 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2932 <default>1024</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2933 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2934 <context>server</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2935 <context>location</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2936
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2937 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2938 Sets the maximum <value>size</value> of the types hash tables.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2939 The details of setting up hash tables are provided in a separate
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2940 <link doc="../hash.xml">document</link>.
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2941 </para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2942
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2943 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2944
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2945
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2946 <directive name="underscores_in_headers">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2947 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2948 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2949 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2950 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2951
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2952 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2953 Enables or disables the use of underscores in client request header fields.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2954 When the use of underscores is disabled, request header fields whose names
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2955 contain underscores are
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2956 marked as invalid and become subject to the
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2957 <link id="ignore_invalid_headers"/> directive.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2958 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2959
426
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
2960 <para>
1023
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
2961 If the directive is specified on the <link id="server"/> level,
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
2962 its value is only used if a server is a default one.
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
2963 The value specified also applies to all virtual servers
442
b423d725a932 Try to emphasize that "underscores_in_headers" and "merge_slashes",
Ruslan Ermilov <ru@nginx.com>
parents: 438
diff changeset
2964 listening on the same address and port.
426
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
2965 </para>
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
2966
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2967 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2968
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2969
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2970 <directive name="variables_hash_bucket_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2971 <syntax><value>size</value></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2972 <default>64</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2973 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2974
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2975 <para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2976 Sets the bucket size for the variables hash table.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2977 The details of setting up hash tables are provided in a separate
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2978 <link doc="../hash.xml">document</link>.
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2979 </para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2980
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2981 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2982
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2983
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2984 <directive name="variables_hash_max_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2985 <syntax><value>size</value></syntax>
1108
a0543e9213e7 New default value for the variables_hash_max_size directive.
Andrei Belov <defan@nginx.com>
parents: 1101
diff changeset
2986 <default>1024</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2987 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2988
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2989 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2990 Sets the maximum <value>size</value> of the variables hash table.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2991 The details of setting up hash tables are provided in a separate
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2992 <link doc="../hash.xml">document</link>.
1108
a0543e9213e7 New default value for the variables_hash_max_size directive.
Andrei Belov <defan@nginx.com>
parents: 1101
diff changeset
2993 <note>
a0543e9213e7 New default value for the variables_hash_max_size directive.
Andrei Belov <defan@nginx.com>
parents: 1101
diff changeset
2994 Prior to version 1.5.13, the default value was 512.
a0543e9213e7 New default value for the variables_hash_max_size directive.
Andrei Belov <defan@nginx.com>
parents: 1101
diff changeset
2995 </note>
1110
4a4fe2d79d14 a0543e9213e7 nit fixed: "note" block moved inside "para".
Maxim Konovalov <maxim@nginx.com>
parents: 1108
diff changeset
2996 </para>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2997
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2998 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2999
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3000 </section>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3001
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
3002
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3003 <section id="variables" name="Embedded Variables">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3004
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3005 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3006 The <literal>ngx_http_core_module</literal> module supports embedded variables
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3007 with names matching the Apache Server variables.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3008 First of all, these are variables representing client request header
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
3009 fields, such as <var>$http_user_agent</var>, <var>$http_cookie</var>,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3010 and so on.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3011 Also there are other variables:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3012 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3013
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3014 <tag-name id="var_arg_"><var>$arg_</var><value>name</value></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3015 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3016 argument <value>name</value> in the request line
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3017 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3018
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3019 <tag-name id="var_args"><var>$args</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3020 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3021 arguments in the request line
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3022 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3023
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3024 <tag-name id="var_binary_remote_addr"><var>$binary_remote_addr</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3025 <tag-desc>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3026 client address in a binary form, value’s length is always 4 bytes
1699
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1692
diff changeset
3027 for IPv4 addresses or 16 bytes for IPv6 addresses
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3028 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3029
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3030 <tag-name id="var_body_bytes_sent"><var>$body_bytes_sent</var></tag-name>
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3031 <tag-desc>
769
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3032 number of bytes sent to a client, not counting the response header;
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3033 this variable is compatible with the “<literal>%B</literal>” parameter of the
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3034 <literal>mod_log_config</literal>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3035 Apache module
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3036 </tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3037
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3038 <tag-name id="var_bytes_sent"><var>$bytes_sent</var></tag-name>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3039 <tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3040 number of bytes sent to a client (1.3.8, 1.2.5)
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3041 </tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3042
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3043 <tag-name id="var_connection"><var>$connection</var></tag-name>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3044 <tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3045 connection serial number (1.3.8, 1.2.5)
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3046 </tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3047
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3048 <tag-name id="var_connection_requests"><var>$connection_requests</var></tag-name>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3049 <tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3050 current number of requests made through a connection (1.3.8, 1.2.5)
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3051 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3052
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3053 <tag-name id="var_content_length"><var>$content_length</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3054 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3055 <header>Content-Length</header> request header field
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3056 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3057
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3058 <tag-name id="var_content_type"><var>$content_type</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3059 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3060 <header>Content-Type</header> request header field
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3061 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3062
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3063 <tag-name id="var_cookie_"><var>$cookie_</var><value>name</value></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3064 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3065 the <value>name</value> cookie
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3066 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3067
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3068 <tag-name id="var_document_root"><var>$document_root</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3069 <tag-desc>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3070 <link id="root"/> or <link id="alias"/> directive’s value
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3071 for the current request
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3072 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3073
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3074 <tag-name id="var_document_uri"><var>$document_uri</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3075 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3076 same as <var>$uri</var>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3077 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3078
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3079 <tag-name id="var_host"><var>$host</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3080 <tag-desc>
940
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3081 in this order of precedence:
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3082 host name from the request line, or
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3083 host name from the <header>Host</header> request header field, or
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3084 the server name matching a request
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3085 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3086
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3087 <tag-name id="var_hostname"><var>$hostname</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3088 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3089 host name
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3090 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3091
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3092 <tag-name id="var_http_"><var>$http_</var><value>name</value></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3093 <tag-desc>
448
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3094 arbitrary request header field;
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3095 the last part of a variable name is the field name converted
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3096 to lower case with dashes replaced by underscores
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3097 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3098
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3099 <tag-name id="var_https"><var>$https</var></tag-name>
234
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3100 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3101 “<literal>on</literal>”
234
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3102 if connection operates in SSL mode,
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3103 or an empty string otherwise
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3104 </tag-desc>
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3105
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3106 <tag-name id="var_is_args"><var>$is_args</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3107 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3108 “<literal>?</literal>” if a request line has arguments,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3109 or an empty string otherwise
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3110 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3111
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3112 <tag-name id="var_limit_rate"><var>$limit_rate</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3113 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3114 setting this variable enables response rate limiting;
767
1bb8b733416a Clarified the description of the limit_rate directive
Ruslan Ermilov <ru@nginx.com>
parents: 747
diff changeset
3115 see <link id="limit_rate"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3116 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3117
771
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3118 <tag-name id="var_msec"><var>$msec</var></tag-name>
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3119 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3120 current time in seconds with the milliseconds resolution (1.3.9, 1.2.6)
771
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3121 </tag-desc>
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3122
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3123 <tag-name id="var_nginx_version"><var>$nginx_version</var></tag-name>
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3124 <tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3125 nginx version
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3126 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3127
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3128 <tag-name id="var_pid"><var>$pid</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3129 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3130 PID of the worker process
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3131 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3132
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3133 <tag-name id="var_pipe"><var>$pipe</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3134 <tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3135 “<literal>p</literal>” if request was pipelined, “<literal>.</literal>”
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3136 otherwise (1.3.12, 1.2.7)
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3137 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3138
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3139 <tag-name id="var_proxy_protocol_addr"><var>$proxy_protocol_addr</var></tag-name>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3140 <tag-desc>
2457
3896055c397e Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2452
diff changeset
3141 client address from the PROXY protocol header (1.5.12)
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3142 <para>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3143 The PROXY protocol must be previously enabled by setting the
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3144 <literal>proxy_protocol</literal> parameter
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3145 in the <link id="listen"/> directive.
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3146 </para>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3147 </tag-desc>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3148
1704
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3149 <tag-name id="var_proxy_protocol_port"><var>$proxy_protocol_port</var></tag-name>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3150 <tag-desc>
2457
3896055c397e Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2452
diff changeset
3151 client port from the PROXY protocol header (1.11.0)
1704
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3152 <para>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3153 The PROXY protocol must be previously enabled by setting the
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3154 <literal>proxy_protocol</literal> parameter
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3155 in the <link id="listen"/> directive.
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3156 </para>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3157 </tag-desc>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3158
2458
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3159 <tag-name id="var_proxy_protocol_server_addr"><var>$proxy_protocol_server_addr</var></tag-name>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3160 <tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3161 server address from the PROXY protocol header (1.17.6)
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3162 <para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3163 The PROXY protocol must be previously enabled by setting the
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3164 <literal>proxy_protocol</literal> parameter
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3165 in the <link id="listen"/> directive.
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3166 </para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3167 </tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3168
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3169 <tag-name id="var_proxy_protocol_server_port"><var>$proxy_protocol_server_port</var></tag-name>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3170 <tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3171 server port from the PROXY protocol header (1.17.6)
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3172 <para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3173 The PROXY protocol must be previously enabled by setting the
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3174 <literal>proxy_protocol</literal> parameter
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3175 in the <link id="listen"/> directive.
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3176 </para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3177 </tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
3178
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3179 <tag-name id="var_query_string"><var>$query_string</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3180 <tag-desc>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3181 same as <var>$args</var>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3182 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3183
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3184 <tag-name id="var_realpath_root"><var>$realpath_root</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3185 <tag-desc>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3186 an absolute pathname corresponding to the
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3187 <link id="root"/> or <link id="alias"/> directive’s value
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3188 for the current request,
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3189 with all symbolic links resolved to real paths
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3190 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3191
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3192 <tag-name id="var_remote_addr"><var>$remote_addr</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3193 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3194 client address
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3195 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3196
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3197 <tag-name id="var_remote_port"><var>$remote_port</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3198 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3199 client port
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3200 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3201
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3202 <tag-name id="var_remote_user"><var>$remote_user</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3203 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3204 user name supplied with the Basic authentication
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3205 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3206
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3207 <tag-name id="var_request"><var>$request</var></tag-name>
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3208 <tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3209 full original request line
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3210 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3211
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3212 <tag-name id="var_request_body"><var>$request_body</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3213 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3214 request body
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3215 <para>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3216 The variable’s value is made available in locations
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3217 processed by the
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3218 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>,
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3219 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>,
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
3220 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>,
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3221 and
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3222 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/>
1732
5eb54b170c74 Clarified cases when $request_body is not empty.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1721
diff changeset
3223 directives when the request body was read to
5eb54b170c74 Clarified cases when $request_body is not empty.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1721
diff changeset
3224 a <link id="client_body_buffer_size">memory buffer</link>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3225 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3226 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3227
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3228 <tag-name id="var_request_body_file"><var>$request_body_file</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3229 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3230 name of a temporary file with the request body
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3231 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3232 At the end of processing, the file needs to be removed.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3233 To always write the request body to a file,
406
98dac2bd7598 Links with mixed underscores and spaces were hard to read, eliminated them.
Ruslan Ermilov <ru@nginx.com>
parents: 400
diff changeset
3234 <link id="client_body_in_file_only"/> needs to be enabled.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3235 When the name of a temporary file is passed in a proxied request
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
3236 or in a request to a FastCGI/uwsgi/SCGI server,
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3237 passing the request body should be disabled by the
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
3238 <link doc="ngx_http_proxy_module.xml" id="proxy_pass_request_body">
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3239 proxy_pass_request_body off</link>,
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
3240 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass_request_body">
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
3241 fastcgi_pass_request_body off</link>,
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
3242 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass_request_body">
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
3243 uwsgi_pass_request_body off</link>, or
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3244 <link doc="ngx_http_scgi_module.xml" id="scgi_pass_request_body">
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3245 scgi_pass_request_body off</link>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3246 directives, respectively.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3247 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3248 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3249
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3250 <tag-name id="var_request_completion"><var>$request_completion</var></tag-name>
88
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3251 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3252 “<literal>OK</literal>” if a request has completed,
88
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3253 or an empty string otherwise
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3254 </tag-desc>
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3255
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3256 <tag-name id="var_request_filename"><var>$request_filename</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3257 <tag-desc>
530
d8c7160527ae query -> request
Ruslan Ermilov <ru@nginx.com>
parents: 527
diff changeset
3258 file path for the current request, based on the
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
3259 <link id="root"/> or <link id="alias"/>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3260 directives, and the request URI
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3261 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3262
1692
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3263 <tag-name id="var_request_id"><var>$request_id</var></tag-name>
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3264 <tag-desc>
1721
737c86e8b316 Clarified meaning of the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1704
diff changeset
3265 unique request identifier
737c86e8b316 Clarified meaning of the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1704
diff changeset
3266 generated from 16 random bytes, in hexadecimal (1.11.0)
1692
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3267 </tag-desc>
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3268
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3269 <tag-name id="var_request_length"><var>$request_length</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3270 <tag-desc>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3271 request length (including request line, header, and request body)
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3272 (1.3.12, 1.2.7)
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3273 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3274
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3275 <tag-name id="var_request_method"><var>$request_method</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3276 <tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3277 request method, usually
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3278 “<literal>GET</literal>” or “<literal>POST</literal>”
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3279 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3280
771
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3281 <tag-name id="var_request_time"><var>$request_time</var></tag-name>
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3282 <tag-desc>
779
32b8498cfb40 $msec and $request_time have become generic variables in 1.2.6.
Ruslan Ermilov <ru@nginx.com>
parents: 771
diff changeset
3283 request processing time in seconds with a milliseconds resolution
32b8498cfb40 $msec and $request_time have become generic variables in 1.2.6.
Ruslan Ermilov <ru@nginx.com>
parents: 771
diff changeset
3284 (1.3.9, 1.2.6);
771
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3285 time elapsed since the first bytes were read from the client
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3286 </tag-desc>
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3287
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3288 <tag-name id="var_request_uri"><var>$request_uri</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3289 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3290 full original request URI (with arguments)
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3291 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3292
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3293 <tag-name id="var_scheme"><var>$scheme</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3294 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3295 request scheme, “<literal>http</literal>” or “<literal>https</literal>”
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3296 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3297
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3298 <tag-name id="var_sent_http_"><var>$sent_http_</var><value>name</value></tag-name>
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3299 <tag-desc>
448
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3300 arbitrary response header field;
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3301 the last part of a variable name is the field name converted
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3302 to lower case with dashes replaced by underscores
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3303 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3304
2003
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3305 <tag-name id="var_sent_trailer_"><var>$sent_trailer_</var><value>name</value></tag-name>
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3306 <tag-desc>
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3307 arbitrary field sent at the end of the response (1.13.2);
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3308 the last part of a variable name is the field name converted
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3309 to lower case with dashes replaced by underscores
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3310 </tag-desc>
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3311
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3312 <tag-name id="var_server_addr"><var>$server_addr</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3313 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3314 an address of the server which accepted a request
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3315 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3316 Computing a value of this variable usually requires one system call.
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
3317 To avoid a system call, the <link id="listen"/> directives
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3318 must specify addresses and use the <literal>bind</literal> parameter.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3319 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3320 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3321
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3322 <tag-name id="var_server_name"><var>$server_name</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3323 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3324 name of the server which accepted a request
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3325 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3326
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3327 <tag-name id="var_server_port"><var>$server_port</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3328 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3329 port of the server which accepted a request
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3330 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3331
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3332 <tag-name id="var_server_protocol"><var>$server_protocol</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3333 <tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3334 request protocol, usually
1597
8b97ba73129b Added HTTP/2.0 to the "server_protocol" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1576
diff changeset
3335 “<literal>HTTP/1.0</literal>”,
1614
1bab8e5f53c6 Added Oxford comma to "$server_protocol".
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1597
diff changeset
3336 “<literal>HTTP/1.1</literal>”,
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3337 or
1597
8b97ba73129b Added HTTP/2.0 to the "server_protocol" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1576
diff changeset
3338 “<link doc="ngx_http_v2_module.xml">HTTP/2.0</link>”
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3339 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3340
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3341 <tag-name id="var_status"><var>$status</var></tag-name>
541
a8971cf346be Documented the $status core variable.
Andrey Belov <defan@nginx.com>
parents: 537
diff changeset
3342 <tag-desc>
769
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3343 response status (1.3.2, 1.2.2)
541
a8971cf346be Documented the $status core variable.
Andrey Belov <defan@nginx.com>
parents: 537
diff changeset
3344 </tag-desc>
a8971cf346be Documented the $status core variable.
Andrey Belov <defan@nginx.com>
parents: 537
diff changeset
3345
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3346 <tag-name id="var_tcpinfo_">
453
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3347 <var>$tcpinfo_rtt</var>,
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3348 <var>$tcpinfo_rttvar</var>,
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3349 <var>$tcpinfo_snd_cwnd</var>,
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3350 <var>$tcpinfo_rcv_space</var>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3351 </tag-name>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3352 <tag-desc>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3353 information about the client TCP connection; available on systems
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3354 that support the <c-def>TCP_INFO</c-def> socket option
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3355 </tag-desc>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3356
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3357 <tag-name id="var_time_iso8601"><var>$time_iso8601</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3358 <tag-desc>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3359 local time in the ISO 8601 standard format (1.3.12, 1.2.7)
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3360 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3361
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3362 <tag-name id="var_time_local"><var>$time_local</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3363 <tag-desc>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3364 local time in the Common Log Format (1.3.12, 1.2.7)
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3365 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3366
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3367 <tag-name id="var_uri"><var>$uri</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3368 <tag-desc>
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
3369 current URI in request, <link id="location">normalized</link>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3370 <para>
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
3371 The value of <var>$uri</var> may change during request processing,
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
3372 e.g. when doing internal redirects, or when using index files.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3373 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3374 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3375
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3376 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3377 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3378
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3379 </section>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3380
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3381 </module>