annotate xml/en/docs/http/ngx_http_core_module.xml @ 2457:3896055c397e

Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
author Yaroslav Zhuravlev <yar@nginx.com>
date Thu, 31 Oct 2019 15:35:51 +0300
parents 4487310de7e7
children 9cd5883ac546
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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="88">
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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
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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">
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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
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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
162
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252 <directive name="chunked_transfer_encoding">
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253 <syntax><literal>on</literal> | <literal>off</literal></syntax>
162
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254 <default>on</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
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259 <para>
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260 Allows disabling chunked transfer encoding in HTTP/1.1.
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261 It may come in handy when using a software failing to support
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262 chunked encoding despite the standard’s requirement.
162
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263 </para>
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264
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265 </directive>
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266
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267
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268 <directive name="client_body_buffer_size">
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269
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270 <syntax><value>size</value></syntax>
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271 <default>8k|16k</default>
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272 <context>http</context>
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273 <context>server</context>
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274 <context>location</context>
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275
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276 <para>
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277 Sets buffer size for reading client request body.
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278 In case the request body is larger than the buffer,
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279 the whole body or only its part is written to a
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280 <link id="client_body_temp_path">temporary file</link>.
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281 By default, buffer size is equal to two memory pages.
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282 This is 8K on x86, other 32-bit platforms, and x86-64.
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283 It is usually 16K on other 64-bit platforms.
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284 </para>
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285
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286 </directive>
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287
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288
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289 <directive name="client_body_in_file_only">
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290 <syntax>
364
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291 <literal>on</literal> |
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292 <literal>clean</literal> |
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293 <literal>off</literal></syntax>
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294 <default>off</default>
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295 <context>http</context>
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296 <context>server</context>
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297 <context>location</context>
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298
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299 <para>
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300 Determines whether nginx should save the entire client request body
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301 into a file.
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302 This directive can be used during debugging, or when using the
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303 <var>$request_body_file</var>
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304 variable, or the
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305 <link doc="ngx_http_perl_module.xml" id="methods">$r->request_body_file</link>
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306 method of the module
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307 <link doc="ngx_http_perl_module.xml">ngx_http_perl_module</link>.
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308 </para>
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309
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310 <para>
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311 When set to the value <literal>on</literal>, temporary files are not
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312 removed after request processing.
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313 </para>
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314
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315 <para>
271
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316 The value <literal>clean</literal> will cause the temporary files
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317 left after request processing to be removed.
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318 </para>
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319
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320 </directive>
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321
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322
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323 <directive name="client_body_in_single_buffer">
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324 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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325 <default>off</default>
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326 <context>http</context>
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327 <context>server</context>
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328 <context>location</context>
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329
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330 <para>
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331 Determines whether nginx should save the entire client request body
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332 in a single buffer.
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333 The directive is recommended when using the
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334 <var>$request_body</var>
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335 variable, to save the number of copy operations involved.
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336 </para>
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337
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338 </directive>
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339
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340
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341 <directive name="client_body_temp_path">
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342 <syntax>
364
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343 <value>path</value>
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344 [<value>level1</value>
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345 [<value>level2</value>
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346 [<value>level3</value>]]]</syntax>
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347 <default>client_body_temp</default>
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348 <context>http</context>
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349 <context>server</context>
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350 <context>location</context>
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351
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352 <para>
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353 Defines a directory for storing temporary files holding client request bodies.
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354 Up to three-level subdirectory hierarchy can be used under the specified
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355 directory.
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356 For example, in the following configuration
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357 <example>
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358 client_body_temp_path /spool/nginx/client_temp 1 2;
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359 </example>
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360 a path to a temporary file might look like this:
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361 <example>
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362 /spool/nginx/client_temp/7/45/00000123457
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363 </example>
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364 </para>
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365
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366 </directive>
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367
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368
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369 <directive name="client_body_timeout">
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370 <syntax><value>time</value></syntax>
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371 <default>60s</default>
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372 <context>http</context>
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373 <context>server</context>
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374 <context>location</context>
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375
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376 <para>
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377 Defines a timeout for reading client request body.
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378 The timeout is set only for a period between two successive read operations,
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379 not for the transmission of the whole request body.
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380 If a client does not transmit anything within this time, the
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381 request is terminated with the
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382 <http-status code="408" text="Request Time-out"/>
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383 error.
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384 </para>
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385
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386 </directive>
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387
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388
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389 <directive name="client_header_buffer_size">
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390 <syntax><value>size</value></syntax>
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391 <default>1k</default>
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392 <context>http</context>
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393 <context>server</context>
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394
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395 <para>
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396 Sets buffer size for reading client request header.
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397 For most requests, a buffer of 1K bytes is enough.
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398 However, if a request includes long cookies, or comes from a WAP client,
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399 it may not fit into 1K.
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400 If a request line or a request header field does not fit into
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401 this buffer then larger buffers, configured by the
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402 <link id="large_client_header_buffers"/> directive,
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403 are allocated.
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404 </para>
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405
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406 </directive>
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407
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408
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409 <directive name="client_header_timeout">
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410 <syntax><value>time</value></syntax>
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411 <default>60s</default>
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412 <context>http</context>
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parents:
diff changeset
413 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
414
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
415 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
416 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
417 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
418 request is terminated with the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
419 <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
420 error.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
421 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
422
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
423 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
424
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
425
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
426 <directive name="client_max_body_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
427 <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
428 <default>1m</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
429 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
430 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
431 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
432
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
433 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
434 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
435 specified in the
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
436 <header>Content-Length</header>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
437 request header field.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
438 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
439 <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
440 error is returned to the client.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
441 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
442 <!--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
443 this error<!--/link-->.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
444 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
445 request body size.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
446 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
447
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
448 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
449
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
450
161
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
451 <directive name="connection_pool_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
452 <syntax><value>size</value></syntax>
1619
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
453 <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
454 <context>http</context>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
455 <context>server</context>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
456
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
457 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
458 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
459 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
460 and should not generally be used.
1619
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
461 By default, the size is equal to
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
462 256 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
463 <note>
88ad8fcea975 Changed default value of connection_pool_size.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1614
diff changeset
464 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
465 </note>
161
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
466 </para>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
467
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
468 </directive>
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
469
ec980064d576 Documented the "connection_pool_size" and "request_pool_size" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 160
diff changeset
470
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
471 <directive name="default_type">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
472 <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
473 <default>text/plain</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
474 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
475 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
476 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
477
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
478 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
479 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
480 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
481 with the <link id="types"/> directive.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
482 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
483
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
484 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
485
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
486
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
487 <directive name="directio">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
488 <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
489 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
490 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
491 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
492 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
493 <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
494
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
495 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
496 Enables the use of
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
497 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
498 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
499 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
500 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
501 the specified <value>size</value>.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
502 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
503 <link id="sendfile"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
504 for a given request.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
505 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
506 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
507 directio 4m;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
508 </example>
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
509 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
510 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
511
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
512 </directive>
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
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
515 <directive name="directio_alignment">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
516 <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
517 <default>512</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
518 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
519 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
520 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
521 <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
522
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
523 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
524 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
525 <link id="directio"/>.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
526 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
527 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
528 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
529
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
530 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
531
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
532
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
533 <directive name="disable_symlinks">
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
534 <syntax><literal>off</literal></syntax>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
535 <syntax>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
536 <literal>on</literal> |
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
537 <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
538 [<literal>from</literal>=<value>part</value>]</syntax>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
539 <default>off</default>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
540 <context>http</context>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
541 <context>server</context>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
542 <context>location</context>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
543 <appeared-in>1.1.15</appeared-in>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
544
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
545 <para>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
546 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
547 <list type="tag">
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
548
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
549 <tag-name><literal>off</literal></tag-name>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
550 <tag-desc>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
551 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
552 This is the default behavior.
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
553 </tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
554
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
555 <tag-name><literal>on</literal></tag-name>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
556 <tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
557 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
558 access to a file is denied.
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
559 </tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
560
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
561 <tag-name><literal>if_not_owner</literal></tag-name>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
562 <tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
563 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
564 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
565 points to have different owners.
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
566 </tag-desc>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
567
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
568 <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
569 <tag-desc>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
570 When checking symbolic links
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
571 (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
572 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
573 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
574 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
575 <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
576 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
577 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
578 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
579 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
580 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
581 symbolic links are not checked.
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
582 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
583 </tag-desc>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
584
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
585 </list>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
586 </para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
587
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
588 <para>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
589 Example:
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
590 <example>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
591 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
592 </example>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
593 </para>
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
594
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
595 <para>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
596 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
597 <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
598 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
599 </para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
600
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
601 <para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
602 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
603 add a processing overhead.
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
604 <note>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
605 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
606 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
607 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
608 </note>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
609 </para>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
610
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
611 <para>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
612 <note>
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
613 The
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
614 <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
615 <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
616 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
617 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
618 </note>
418
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
619 </para>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
620
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
621 </directive>
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
622
2638f67205ee Documented the disable_symlinks directive.
Ruslan Ermilov <ru@nginx.com>
parents: 406
diff changeset
623
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
624 <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
625 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
626 <value>code</value> ...
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
627 [<literal>=</literal>[<value>response</value>]]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
628 <value>uri</value></syntax>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
629 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
630 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
631 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
632 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
633 <context>if in location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
634
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
635 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
636 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
637 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
638 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
639
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
640 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
641 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
642 <example>
711
1f383a8bccdb Minor improvements over the recent additions to the "error_page" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 709
diff changeset
643 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
644 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
645 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
646 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
647
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
648 <para>
1827
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
649 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
650 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
651 (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
652 “<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
653 </para>
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
654
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
655 <para>
679
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
656 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
657 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
658 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
659 error_page 404 =200 /empty.gif;
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 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
662
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
663 <para>
1194
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
664 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
665 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
666 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
667 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
668 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
669 error_page 404 = /404.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
670 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
671 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
672
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
673 <para>
1827
64e2b8c5200d Documented request method change by error_page in /uri redirection.
Ruslan Ermilov <ru@nginx.com>
parents: 1826
diff changeset
674 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
675 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
676 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
677 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
678 error_page 404 = @fallback;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
679 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
680
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
681 location @fallback {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
682 proxy_pass http://backend;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
683 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
684 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
685 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
686
679
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
687 <para>
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
688 <note>
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
689 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
690 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
691 </note>
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
692 </para>
9888364847b7 Documented status codes in the error_page directive.
Vladimir Homutov <vl@nginx.com>
parents: 674
diff changeset
693
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
694 <para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
695 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
696 <example>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
697 error_page 403 http://example.com/forbidden.html;
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
698 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
699 </example>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
700 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
701 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
702 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
703 <note>
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
704 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
705 </note>
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
706
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
707 <note>
d2969b2f69ae Added history notes about codes 201, 307, and 308.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2036
diff changeset
708 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
709 </note>
1826
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
710 </para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
711
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
712 <para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
713 These directives are inherited from the previous level if and
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
714 only if there are no
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
715 <literal>error_page</literal>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
716 directives defined on the current level.
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
717 </para>
da6a3e401b26 Slightly reformatted the error_page description.
Ruslan Ermilov <ru@nginx.com>
parents: 1770
diff changeset
718
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
719 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
720
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
721
576
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
722 <directive name="etag">
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
723 <syntax><literal>on</literal> | <literal>off</literal></syntax>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
724 <default>on</default>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
725 <context>http</context>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
726 <context>server</context>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
727 <context>location</context>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
728 <appeared-in>1.3.3</appeared-in>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
729
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
730 <para>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
731 Enables or disables automatic generation of the <header>ETag</header>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
732 response header field for static resources.
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
733 </para>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
734
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
735 </directive>
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
736
cac22cc79afd Documented the "etag" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 566
diff changeset
737
651
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
738 <directive name="http">
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
739 <syntax block="yes"/>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
740 <default/>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
741 <context>main</context>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
742
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
743 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
744 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
745 are specified.
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
746 </para>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
747
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
748 </directive>
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
749
eba81bfb6aaf Documented the "http" directive.
Vladimir Homutov <vl@nginx.com>
parents: 628
diff changeset
750
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
751 <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
752 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
753 <literal>off</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
754 <literal>exact</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
755 <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
756 <default>exact</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
757 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
758 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
759 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
760 <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
761
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
762 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
763 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
764 with the time in the
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
765 <header>If-Modified-Since</header>
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
766 request header field:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
767
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
768 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
769
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
770 <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
771 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
772 the
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
773 <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
774 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
775
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
776 <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
777 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
778 exact match;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
779 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
780
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
781 <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
782 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
783 modification time of a response is
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
784 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
785 request header field.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
786 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
787
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
788 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
789 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
790
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
791 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
792
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
793
152
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
794 <directive name="ignore_invalid_headers">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
795 <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
796 <default>on</default>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
797 <context>http</context>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
798 <context>server</context>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
799
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
800 <para>
235
6d8356490215 Consistently call header fields as such.
Ruslan Ermilov <ru@nginx.com>
parents: 234
diff changeset
801 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
802 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
803 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
804 directive).
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
805 </para>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
806
426
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
807 <para>
1023
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
808 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
809 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
810 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
811 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
812 </para>
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
813
152
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
814 </directive>
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
815
5a35535f7cdf Documented the "ignore_invalid_headers" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 148
diff changeset
816
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
817 <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
818 <syntax/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
819 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
820 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
821
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
822 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
823 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
824 For external requests, the client error
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
825 <http-status code="404" text="Not Found"/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
826 is returned.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
827 Internal requests are the following:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
828
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
829 <list type="bullet">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
830
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
831 <listitem>
429
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
832 requests redirected by the
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
833 <link id="error_page"/>,
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
834 <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
835 <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
836 <link id="try_files"/> directives;
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
837 </listitem>
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
838
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
839 <listitem>
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
840 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
841 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
842 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
843
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
844 <listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
845 subrequests formed by the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
846 “<command>include virtual</command>”
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
847 command of the
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
848 <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
849 module, by the
438
b27974b92a58 - corrected the description of the from= parameter of the
Ruslan Ermilov <ru@nginx.com>
parents: 436
diff changeset
850 <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
851 module directives, and by
ee0aeddbe8a2 Updated types of subrequests allowed in the internal location.
Sergey Kandaurov <pluknet@nginx.com>
parents: 2003
diff changeset
852 <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
853 <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
854 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
855
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
856 <listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
857 requests changed by the
429
2b9507b2cdf3 List all sources of internal requests.
Ruslan Ermilov <ru@nginx.com>
parents: 426
diff changeset
858 <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
859 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
860
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
861 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
862 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
863
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
864 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
865 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
866 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
867 error_page 404 /404.html;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
868
2206
5cacd6fffade Eliminated some examples of unsafe prefix locations.
Ruslan Ermilov <ru@nginx.com>
parents: 2199
diff changeset
869 location = /404.html {
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
870 internal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
871 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
872 </example>
674
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
873 <note>
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
874 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
875 request processing cycles that can occur in incorrect configurations.
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
876 If this limit is reached, the error
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
877 <http-status code="500" text="Internal Server Error"/> is returned.
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
878 In such cases, the “rewrite or internal redirection cycle” message
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
879 can be seen in the error log.
c48c0936b4df Documented internal redirections limit.
Vladimir Homutov <vl@nginx.com>
parents: 659
diff changeset
880 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
881 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
882
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
883 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
884
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
885
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
886 <directive name="keepalive_disable">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
887 <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
888 <default>msie6</default>
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
889 <context>http</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
890 <context>server</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
891 <context>location</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
892
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
893 <para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
894 Disables keep-alive connections with misbehaving browsers.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
895 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
896 browsers will be affected.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
897 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
898 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
899 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
900 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
901 operating systems.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
902 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
903 with all browsers.
467
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
904 <note>
c505c92c8658 Documented recent changes to the "keepalive_disable" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 454
diff changeset
905 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
906 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
907 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
908 </note>
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
909 </para>
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 </directive>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
912
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
913
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
914 <directive name="keepalive_requests">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
915 <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
916 <default>100</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
917 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
918 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
919 <context>location</context>
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
920 <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
921
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
922 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
923 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
924 served through one keep-alive connection.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
925 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
926 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
927
2450
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
928 <para>
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
929 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
930 per-connection memory allocations.
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
931 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
932 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
933 </para>
a26a42699207 Added note about max number of keepalive requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2424
diff changeset
934
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
935 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
936
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
937
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
938 <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
939 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
940 <value>timeout</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
941 [<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
942 <default>75s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
943 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
944 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
945 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
946
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
947 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
948 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
949 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
950 The zero value disables keep-alive client connections.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
951 The optional second parameter sets a value in the
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
952 <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
953 response header field.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
954 Two parameters may differ.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
955 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
956
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
957 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
958 The
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
959 <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
960 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
961 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
962 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
963
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
964 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
965
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
966
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
967 <directive name="large_client_header_buffers">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
968 <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
969 <default>4 8k</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
970 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
971 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
972
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
973 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
974 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
975 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
976 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
977 <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
978 error is returned to the client.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
979 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
980 <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
981 error is returned to the client.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
982 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
983 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
984 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
985 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
986 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
987
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
988 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
989
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 <directive name="limit_except">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
992 <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
993 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
994 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
995
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
996 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
997 Limits allowed HTTP methods inside a location.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
998 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
999 <literal>GET</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1000 <literal>HEAD</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1001 <literal>POST</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1002 <literal>PUT</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1003 <literal>DELETE</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1004 <literal>MKCOL</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1005 <literal>COPY</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1006 <literal>MOVE</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1007 <literal>OPTIONS</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1008 <literal>PROPFIND</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1009 <literal>PROPPATCH</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1010 <literal>LOCK</literal>,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1011 <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
1012 or
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1013 <literal>PATCH</literal>.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1014 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
1015 <literal>HEAD</literal> method also allowed.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1016 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
1017 <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
1018 <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
1019 and
2139
f6e578b1b02d Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2134
diff changeset
1020 <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
1021 (1.13.10)
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1022 modules directives:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1023 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1024 limit_except GET {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1025 allow 192.168.1.0/32;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1026 deny all;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1027 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1028 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1029 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
1030 <emphasis>except</emphasis> GET and HEAD.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1031 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1032
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1033 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1034
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1035
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1036 <directive name="limit_rate">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1037 <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
1038 <default>0</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1039 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1040 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1041 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1042 <context>if in location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1043
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1044 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1045 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
1046 The <value>rate</value> is specified in bytes per second.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1047 The zero value disables rate limiting.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1048 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1049 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
1050 -->
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1051 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
1052 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
1053 as the specified limit.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1054 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1055
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1056 <para>
2391
375a3dfde23b Unified phrase "Parameter value can contain variables".
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2390
diff changeset
1057 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
1058 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
1059 depending on a certain condition:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1060 <example>
2384
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1061 map $slow $rate {
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1062 1 4k;
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1063 2 8k;
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1064 }
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1065
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1066 limit_rate $rate;
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1067 </example>
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1068 </para>
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1069
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1070 <para>
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1071 Rate limit can also be set in the
144c8e3d6c09 Documented variables support in limit_rate and limit_rate_after.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2220
diff changeset
1072 <link id="var_limit_rate"><var>$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
1073 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
1074 <example>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1075 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1076
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1077 if ($slow) {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1078 set $limit_rate 4k;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1079 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1080
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1081 ...
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1082 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1083 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1084 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1085
506
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1086 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1087 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
1088 <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
1089 This capability can be disabled using the
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
1090 <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
1091 <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
1092 <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
1093 and
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
1094 <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
1095 directives.
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1096 </para>
657848837328 Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents: 503
diff changeset
1097
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1098 </directive>
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
171
6eeaa9e1f3b5 Made "appeared-in" an element, and added support for
Ruslan Ermilov <ru@nginx.com>
parents: 169
diff changeset
1101 <directive name="limit_rate_after">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1102 <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
1103 <default>0</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1104 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1105 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1106 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1107 <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
1108 <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
1109
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1110 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1111 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
1112 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
1113 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
1114 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1115
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1116 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1117 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1118 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1119 location /flv/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1120 flv;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1121 limit_rate_after 500k;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1122 limit_rate 50k;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1123 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1124 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1125 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1126
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1127 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1128
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1129
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1130 <directive name="lingering_close">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1131 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1132 <literal>off</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1133 <literal>on</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1134 <literal>always</literal></syntax>
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1135 <default>on</default>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1136 <context>http</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1137 <context>server</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1138 <context>location</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1139 <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
1140 <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
1141
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1142 <para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1143 Controls how nginx closes client connections.
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1144 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1145
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1146 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1147 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
1148 <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
1149 <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
1150 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
1151 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
1152 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1153
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1154 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1155 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
1156 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
1157 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1158
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1159 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1160 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
1161 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
1162 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
1163 circumstances.
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1164 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1165
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1166 </directive>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1167
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1168
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1169 <directive name="lingering_time">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1170 <syntax><value>time</value></syntax>
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1171 <default>30s</default>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1172 <context>http</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1173 <context>server</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1174 <context>location</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1175
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1176 <para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1177 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
1178 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
1179 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
1180 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
1181 more data.
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
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1184 </directive>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1185
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1186
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1187 <directive name="lingering_timeout">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1188 <syntax><value>time</value></syntax>
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1189 <default>5s</default>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1190 <context>http</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1191 <context>server</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1192 <context>location</context>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1193
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1194 <para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1195 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
1196 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
1197 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
1198 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
1199 for more data again.
172
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1200 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
1201 <link id="lingering_time"/> directive.
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1202 </para>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1203
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1204 </directive>
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1205
5e8e63f73c33 Documented "lingering_close", "lingering_time", and "lingering_timeout".
Ruslan Ermilov <ru@nginx.com>
parents: 171
diff changeset
1206
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1207 <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
1208 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1209 <value>address</value>[:<value>port</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1210 [<literal>default_server</literal>]
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1211 [<literal>ssl</literal>]
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1212 [<literal>http2</literal> | <literal>spdy</literal>]
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1213 [<literal>proxy_protocol</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1214 [<literal>setfib</literal>=<value>number</value>]
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1215 [<literal>fastopen</literal>=<value>number</value>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1216 [<literal>backlog</literal>=<value>number</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1217 [<literal>rcvbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1218 [<literal>sndbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1219 [<literal>accept_filter</literal>=<value>filter</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1220 [<literal>deferred</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1221 [<literal>bind</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1222 [<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
1223 [<literal>reuseport</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1224 [<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
1225 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1226 <value>port</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1227 [<literal>default_server</literal>]
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1228 [<literal>ssl</literal>]
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1229 [<literal>http2</literal> | <literal>spdy</literal>]
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1230 [<literal>proxy_protocol</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1231 [<literal>setfib</literal>=<value>number</value>]
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1232 [<literal>fastopen</literal>=<value>number</value>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1233 [<literal>backlog</literal>=<value>number</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1234 [<literal>rcvbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1235 [<literal>sndbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1236 [<literal>accept_filter</literal>=<value>filter</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1237 [<literal>deferred</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1238 [<literal>bind</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1239 [<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
1240 [<literal>reuseport</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1241 [<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
1242 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1243 <literal>unix:</literal><value>path</value>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1244 [<literal>default_server</literal>]
869
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1245 [<literal>ssl</literal>]
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1246 [<literal>http2</literal> | <literal>spdy</literal>]
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1247 [<literal>proxy_protocol</literal>]
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1248 [<literal>backlog</literal>=<value>number</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1249 [<literal>rcvbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1250 [<literal>sndbuf</literal>=<value>size</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1251 [<literal>accept_filter</literal>=<value>filter</value>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1252 [<literal>deferred</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1253 [<literal>bind</literal>]
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1254 [<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
1255 <default>*:80 | *:8000</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1256 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1257
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1258 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1259 Sets the <value>address</value> and <value>port</value> for IP,
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
1260 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
1261 the server will accept requests.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1262 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
1263 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
1264 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
1265 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1266 listen 127.0.0.1:8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1267 listen 127.0.0.1;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1268 listen 8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1269 listen *:8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1270 listen localhost:8000;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1271 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1272 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
1273 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1274 listen [::]:8000;
941
7d1d53d4d293 Removed link-scoped IPv6 addresses from examples.
Ruslan Ermilov <ru@nginx.com>
parents: 940
diff changeset
1275 listen [::1];
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1276 </example>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1277 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
1278 prefix:
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1279 <example>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1280 listen unix:/var/run/nginx.sock;
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1281 </example>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1282 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1283
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1284 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1285 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
1286 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1287
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1288 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1289 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
1290 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
1291 otherwise.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1292 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1293
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1294 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1295 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
1296 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
1297 <value>address</value>:<value>port</value> pair.
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1298 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
1299 parameter then the first server with the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1300 <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
1301 the default server for this pair.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1302 <note>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1303 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
1304 <literal>default</literal>.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1305 </note>
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>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1309 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
1310 connections accepted on this port should work in SSL mode.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1311 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
1312 id="single_http_https_server">configuration</link> for the server that
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1313 handles both HTTP and HTTPS requests.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1314 </para>
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1315
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1316 <para>
1567
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1317 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
1318 <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
1319 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
1320 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
1321 connections without SSL.
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1322 </para>
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1323
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1324 <para>
695999bdd4a5 Updated description of http2 parameter, translated into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1561
diff changeset
1325 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
1326 <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
1327 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
1328 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
1329 connections without SSL.
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1330 </para>
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1331
ade81792bdaa Documented SPDY support.
Homutov Vladimir <vl@nginx.com>
parents: 840
diff changeset
1332 <para>
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1333 The <literal>proxy_protocol</literal> parameter (1.5.12)
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1334 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
1335 <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
1336 protocol</link>.
2125
b19d5d47c16c Documented ver.2 of the PROXY protocol.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2121
diff changeset
1337 <note>
b19d5d47c16c Documented ver.2 of the PROXY protocol.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2121
diff changeset
1338 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
1339 </note>
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1340 </para>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1341
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
1342 <para>
1414
5addfab7e171 Corrected article.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1279
diff changeset
1343 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
1344 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
1345 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
1346 <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
1347 <value>address</value>:<value>port</value> pair.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1348 <note>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1349 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
1350 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
1351 <literal>default</literal> parameter.
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1352 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1353 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1354
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1355 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1356 <literal>setfib</literal>=<value>number</value>
66
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1357 </tag-name>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1358 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1359 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
1360 (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
1361 This currently works only on FreeBSD.
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1362 </tag-desc>
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1363
9332d7a02822 In the "listen" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 65
diff changeset
1364 <tag-name>
1036
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1365 <literal>fastopen</literal>=<value>number</value>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1366 </tag-name>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1367 <tag-desc>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1368 enables
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1369 “<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
1370 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
1371 <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
1372 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
1373 the three-way handshake.
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1374 <note>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1375 Do not enable this feature unless the server can handle
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1376 receiving the
1923
66a30a380fba Fixed links to tools.ietf.org.
Ruslan Ermilov <ru@nginx.com>
parents: 1911
diff changeset
1377 <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
1378 same SYN packet with data</link> more than once.
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1379 </note>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1380 </tag-desc>
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1381
5894aa46ffef Documented "listen fastopen=" parameter.
Vladimir Homutov <vl@nginx.com>
parents: 1035
diff changeset
1382 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1383 <literal>backlog</literal>=<value>number</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1384 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1385 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1386 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
1387 <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
1388 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
1389 By default,
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1904
diff changeset
1390 <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
1391 and to 511 on other platforms.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1392 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1393
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1394 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1395 <literal>rcvbuf</literal>=<value>size</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1396 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1397 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1398 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
1399 (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
1400 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1401
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1402 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1403 <literal>sndbuf</literal>=<value>size</value>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1404 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1405 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1406 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
1407 (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
1408 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1409
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1410 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1411 <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
1412 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1413 <tag-desc>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1414 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
1415 (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
1416 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
1417 <c-func>accept</c-func>.
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1418 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
1419 Possible values are
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1420 <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
1421 and
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1422 <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
1423 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1424
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1425 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1426 <literal>deferred</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1427 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1428 <tag-desc>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1429 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
1430 (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
1431 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1432
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1433 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1434 <literal>bind</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1435 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1436 <tag-desc>
240
472e88bf177e Slightly better wording for the "bind" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 237
diff changeset
1437 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
1438 <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
1439 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
1440 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
1441 <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
1442 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
1443 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
1444 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
1445 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
1446 If the <literal>setfib</literal>,
e9c485d6cc0c Documented that "listen setfib=" implies "bind".
Ruslan Ermilov <ru@nginx.com>
parents: 1031
diff changeset
1447 <literal>backlog</literal>, <literal>rcvbuf</literal>,
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1448 <literal>sndbuf</literal>, <literal>accept_filter</literal>,
1279
7261e621dd4a Documented that "listen ipv6only=" implies "bind".
Maxim Dounin <mdounin@mdounin.ru>
parents: 1257
diff changeset
1449 <literal>deferred</literal>, <literal>ipv6only</literal>,
7261e621dd4a Documented that "listen ipv6only=" implies "bind".
Maxim Dounin <mdounin@mdounin.ru>
parents: 1257
diff changeset
1450 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
1451 are used then for a given
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1452 <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
1453 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
1454 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1455
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1456 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1457 <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
1458 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1459 <tag-desc>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1460 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
1461 (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
1462 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
1463 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
1464 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
1465 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
1466 <note>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1467 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
1468 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
1469 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
1470 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1471 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1472
1507
14180fa9a518 Added ids for reuseport, mentioned reuseport in news.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1501
diff changeset
1473 <tag-name id="reuseport">
1493
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1474 <literal>reuseport</literal>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1475 </tag-name>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1476 <tag-desc>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1477 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
1478 for each worker process
2199
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1479 (using the
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2139
diff changeset
1480 <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
1481 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
1482 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
1483 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
1484 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
1485 <note>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1486 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
1487 <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
1488 </note>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1489 </tag-desc>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1490
9faa78768252 Documented the "reuseport" option of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1471
diff changeset
1491 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1492 <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
1493 </tag-name>
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1494 <tag-desc>
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1495 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
1496 for the listening socket.
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1497 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
1498 in effect for the socket.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1499 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
1500 <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
1501 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
1502 <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
1503 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
1504 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
1505 <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
1506 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
1507 FreeBSD 9.0-STABLE), they can be configured
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1508 using the <value>keepidle</value>, <value>keepintvl</value>, and
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1509 <value>keepcnt</value> parameters.
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1510 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
1511 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
1512 For example,
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1513 <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
1514 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
1515 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
1516 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
1517 </tag-desc>
09b8c8b2b865 Documented the "so_keepalive" parameter of the "listen" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 185
diff changeset
1518
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1519 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1520 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1521
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1522 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1523 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1524 <example>
617
368a449e85b8 Expanded documentation of what various parameters of the "listen"
Ruslan Ermilov <ru@nginx.com>
parents: 615
diff changeset
1525 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
1526 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1527 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1528
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1529 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1530
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1531
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1532 <directive name="location">
108
72524ae53106 Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents: 106
diff changeset
1533 <syntax block="yes">[
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1534 <literal>=</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1535 <literal>~</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1536 <literal>~*</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1537 <literal>^~</literal>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
1538 ] <value>uri</value></syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1539 <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
1540 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1541 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1542 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1543
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1544 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1545 Sets configuration depending on a request URI.
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1546 </para>
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1547
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1548 <para>
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1549 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
1550 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
1551 resolving references to relative path components “<literal>.</literal>”
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1552 and “<literal>..</literal>”, and possible
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1553 <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
1554 adjacent slashes into a single slash.
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1555 </para>
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1556
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
1557 <para>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1558 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
1559 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
1560 “<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
1561 “<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
1562 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
1563 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
1564 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
1565 prefix is selected and remembered.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1566 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
1567 in the configuration file.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1568 The search of regular expressions terminates on the first match,
244
9e2be02df2ce Fixed wording.
Ruslan Ermilov <ru@nginx.com>
parents: 241
diff changeset
1569 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
1570 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
1571 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
1572 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1573
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1574 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1575 <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
1576 mentioned below.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1577 </para>
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1578
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1579 <para>
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1904
diff changeset
1580 For case-insensitive operating systems such as macOS and Cygwin,
244
9e2be02df2ce Fixed wording.
Ruslan Ermilov <ru@nginx.com>
parents: 241
diff changeset
1581 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
1582 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
1583 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1584
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1585 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1586 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
1587 be used in other directives.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1588 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1589
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1590 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1591 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
1592 then regular expressions are not checked.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1593 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1594
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1595 <para>
810
7c72c3e67e77 The "location" directive: improved wording.
Ruslan Ermilov <ru@nginx.com>
parents: 779
diff changeset
1596 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
1597 an exact match of URI and location.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1598 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
1599 For example, if a “<literal>/</literal>” request happens frequently,
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1600 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
1601 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
1602 comparison.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1603 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
1604 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1605
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1606 <para>
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1607 <note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1608 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
1609 location without the “<literal>=</literal>” and “<literal>^~</literal>”
810
7c72c3e67e77 The "location" directive: improved wording.
Ruslan Ermilov <ru@nginx.com>
parents: 779
diff changeset
1610 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
1611 not checked.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1612 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1613 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1614
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1615 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1616 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
1617 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1618 location = / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1619 [ configuration A ]
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1620 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1621
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1622 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1623 [ configuration B ]
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1624 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1625
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1626 location /documents/ {
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1627 [ configuration C ]
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1628 }
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1629
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1630 location ^~ /images/ {
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1631 [ configuration D ]
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1632 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1633
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1634 location ~* \.(gif|jpg|jpeg)$ {
738
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1635 [ configuration E ]
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1636 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1637 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1638 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
1639 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
1640 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
1641 configuration C,
0914bbb59fd2 Expanded "location" examples with another prefix location.
Ruslan Ermilov <ru@nginx.com>
parents: 711
diff changeset
1642 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
1643 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
1644 </para>
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 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1647 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
1648 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
1649 used for request redirection.
67
d98323a15ba4 Documented the nested locations.
Ruslan Ermilov <ru@nginx.com>
parents: 66
diff changeset
1650 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
1651 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1652
914
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1653 <para>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1654 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
1655 and requests are processed by one of
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1656 <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
1657 <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
1658 <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
1659 <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
1660 <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
1661 <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
1662 then the special processing is performed.
ac7a5ee98768 Split long sentence into two.
Ruslan Ermilov <ru@nginx.com>
parents: 1194
diff changeset
1663 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
1664 but without the trailing slash,
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1665 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
1666 with the slash appended.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1667 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
1668 defined like this:
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1669 <example>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1670 location /user/ {
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1671 proxy_pass http://user.example.com;
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1672 }
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1673
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1674 location = /user {
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1675 proxy_pass http://login.example.com;
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1676 }
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1677 </example>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1678 </para>
474a21f26a2a Documented location behavior with proxying directives.
Vladimir Homutov <vl@nginx.com>
parents: 871
diff changeset
1679
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1680 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1681 <migration from="Apache" directive="Location" />
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1682 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1683
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1684 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1685
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1686
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1687 <directive name="log_not_found">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1688 <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
1689 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1690 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1691 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1692 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1693
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1694 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1695 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
1696 <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
1697 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1698
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1699 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1700
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1701
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1702 <directive name="log_subrequest">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1703 <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
1704 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1705 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1706 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1707 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1708
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1709 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1710 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
1711 <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
1712 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1713
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1714 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1715
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1716
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1717 <directive name="max_ranges">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1718 <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
1719 <default/>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1720 <context>http</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1721 <context>server</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1722 <context>location</context>
499
76a8eca844d0 Documented that "max_ranges" appeared in 1.1.2.
Ruslan Ermilov <ru@nginx.com>
parents: 477
diff changeset
1723 <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
1724
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1725 <para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1726 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
1727 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
1728 byte ranges specified.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1729 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
1730 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
1731 </para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1732
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1733 </directive>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1734
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
1735
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1736 <directive name="merge_slashes">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1737 <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
1738 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1739 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1740 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1741
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1742 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1743 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
1744 in a URI into a single slash.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1745 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1746
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1747 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1748 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
1749 and regular expression locations.
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1750 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
1751 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1752 location /scripts/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1753 ...
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1754 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1755 </example>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1756 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
1757 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
1758 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1759
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1760 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1761 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
1762 contains base64-encoded names, since base64 uses the “<literal>/</literal>”
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
1763 character internally.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1764 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
1765 the compression off.
57
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1768 <para>
1023
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
1769 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
1770 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
1771 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
1772 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
1773 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1774
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1775 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1776
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 <directive name="msie_padding">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1779 <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
1780 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1781 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1782 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1783 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1784
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1785 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1786 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
1787 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
1788 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1789
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1790 </directive>
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1793 <directive name="msie_refresh">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1794 <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
1795 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1796 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1797 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1798 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1799
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1800 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1801 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
1802 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1803
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1804 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1805
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1806
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1807 <directive name="open_file_cache">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1808 <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
1809 <syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1810 <literal>max</literal>=<value>N</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1811 [<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
1812 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1813 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1814 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1815 <context>location</context>
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 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1818 Configures a cache that can store:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1819 <list type="bullet">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1820
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1821 <listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1822 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
1823 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1824
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1825 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1826 information on existence of directories;
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1827 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1828
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1829 <listitem>
68
9de85defbcf8 - "optimize_server_names" is deprecated in favour of "server_name_in_redirects"
Ruslan Ermilov <ru@nginx.com>
parents: 67
diff changeset
1830 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
1831 and so on.
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
1832 <note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1833 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
1834 <link id="open_file_cache_errors"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1835 directive.
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
1836 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1837 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1838
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1839 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1840 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1841
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1842 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1843 The directive has the following parameters:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1844 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1845
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1846 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1847 <literal>max</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1848 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1849 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1850 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
1851 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
1852 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1853
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1854 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1855 <literal>inactive</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1856 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1857 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
1858 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
1859 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
1860 by default, it is 60 seconds;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1861 </tag-desc>
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 <tag-name>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1864 <literal>off</literal>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1865 </tag-name>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1866 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1867 disables the cache.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1868 </tag-desc>
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 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1871 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1872
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1873 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1874 Example:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1875 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1876 open_file_cache max=1000 inactive=20s;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1877 open_file_cache_valid 30s;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1878 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
1879 open_file_cache_errors on;<!--
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1880 open_file_cache_events on;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1881 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1882 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1883 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1884
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1885 </directive>
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1888 <directive name="open_file_cache_errors">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1889 <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
1890 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1891 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1892 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1893 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1894
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1895 <para>
68
9de85defbcf8 - "optimize_server_names" is deprecated in favour of "server_name_in_redirects"
Ruslan Ermilov <ru@nginx.com>
parents: 67
diff changeset
1896 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
1897 <link id="open_file_cache"/>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1898 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1899
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1900 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1901
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1902
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1903 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1904
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1905 <directive name="open_file_cache_events">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1906 <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
1907 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1908 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1909 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1910 <context>location</context>
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 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1913 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
1914 <link id="open_file_cache"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1915 elements.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1916 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
1917 <link doc="../events.xml" id="kqueue"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1918 method only.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1919 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
1920 support events for arbitrary file system types.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1921 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
1922 file systems such as UFS or FFS.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1923 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1924
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1925 </directive>
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1930 <directive name="open_file_cache_min_uses">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1931 <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
1932 <default>1</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1933 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1934 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1935 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1936
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1937 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1938 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
1939 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
1940 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
1941 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
1942 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1943
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1944 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1945
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1946
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1947 <directive name="open_file_cache_valid">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1948 <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
1949 <default>60s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1950 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1951 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1952 <context>location</context>
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 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1955 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
1956 <link id="open_file_cache"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1957 elements should be validated.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1958 <!--
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1959 When
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
1960 <link id="open_file_cache_events"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1961 is enabled, open file descriptors
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1962 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
1963 -->
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1964 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1965
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1966 </directive>
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
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1969 <directive name="output_buffers">
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1970 <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
1971 <default>2 32k</default>
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1972 <context>http</context>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1973 <context>server</context>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1974 <context>location</context>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1975
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1976 <para>
1151
4c2324a7eeea Corrected the usage of articles and a comma.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1149
diff changeset
1977 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
1978 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
1979 <note>
7f97ab081d24 Changed default value in the output_buffers directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1567
diff changeset
1980 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
1981 </note>
1024
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1982 </para>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1983
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1984 </directive>
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1985
e47971bf6619 Documented output_buffers directive.
Maxim Dounin <mdounin@mdounin.ru>
parents: 1023
diff changeset
1986
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1987 <directive name="port_in_redirect">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
1988 <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
1989 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1990 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1991 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1992 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1993
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1994 <para>
1879
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
1995 Enables or disables specifying the port in
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
1996 <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
1997 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
1998
159
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
1999 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2000 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
2001 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
2002 </para>
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2003
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2004 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2005
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2006
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2007 <directive name="postpone_output">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2008 <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
2009 <default>1460</default>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2010 <context>http</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2011 <context>server</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2012 <context>location</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2013
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2014 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2015 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
2016 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
2017 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
2018 </para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2019
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2020 </directive>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2021
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2022
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2023 <directive name="read_ahead">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2024 <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
2025 <default>0</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2026 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2027 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2028 <context>location</context>
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 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2031 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
2032 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2033
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2034 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2035 On Linux, the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2036 <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
2037 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
2038 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2039
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2040 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2041 On FreeBSD, the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2042 <literal>fcntl(O_READAHEAD,</literal>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2043 <value>size</value><literal>)</literal>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2044 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
2045 FreeBSD&nbsp;7 has to be
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2046 <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
2047 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2048
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2049 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2050
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2051
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2052 <directive name="recursive_error_pages">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2053 <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
2054 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2055 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2056 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2057 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2058
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2059 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2060 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
2061 <link id="error_page"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2062 directive.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2063 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
2064 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2065
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2066 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2067
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2068
169
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2069 <directive name="request_pool_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2070 <syntax><value>size</value></syntax>
169
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2071 <default>4k</default>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2072 <context>http</context>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2073 <context>server</context>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2074
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2075 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2076 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
2077 This directive has minimal impact on performance
169
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2078 and should not generally be used.
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2079 </para>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2080
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2081 </directive>
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2082
b7b160e4e046 Rstored alphabetical order of directives.
Ruslan Ermilov <ru@nginx.com>
parents: 162
diff changeset
2083
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2084 <directive name="reset_timedout_connection">
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2085 <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
2086 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2087 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2088 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2089 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2090
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2091 <para>
2390
655e7de7fd4b Documented "return 444" when reset_timedout_connection is on.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2384
diff changeset
2092 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
2093 and connections
655e7de7fd4b Documented "return 444" when reset_timedout_connection is on.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2384
diff changeset
2094 <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
2095 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
2096 The reset is performed as follows.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2097 Before closing a socket, the
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2098 <c-def>SO_LINGER</c-def>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2099 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
2100 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
2101 occupied by this socket is released.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2102 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
2103 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
2104 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2105
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2106 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2107 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
2108 closed normally.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2109 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2110
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2111 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2112
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2113
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2114 <directive name="resolver">
185
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2115 <syntax>
1031
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2116 <value>address</value> ...
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2117 [<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
2118 [<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
2119 [<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
2120 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2121 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2122 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2123 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2124
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2125 <para>
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2126 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
2127 into addresses, for example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2128 <example>
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2129 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
2130 </example>
2452
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2131 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
2132 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
2133 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
2134 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
2135 <note>
370cf5ccd3ca The "resolver" directive now allows specifying multiple name servers.
Ruslan Ermilov <ru@nginx.com>
parents: 140
diff changeset
2136 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
2137 Specifying name servers using IPv6 addresses is supported
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 553
diff changeset
2138 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
2139 </note>
2452
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2140 </para>
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2141
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2142 <para id="resolver_ipv6">
1031
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2143 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
2144 If looking up of IPv6 addresses is not desired,
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2145 the <literal>ipv6=off</literal> parameter can be specified.
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2146 <note>
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2147 Resolving of names into IPv6 addresses is supported
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2148 starting from version 1.5.8.
f7f23f5928ef Documented "resolver ipv6=" parameter.
Ruslan Ermilov <ru@nginx.com>
parents: 1024
diff changeset
2149 </note>
2452
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2150 </para>
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2151
4487310de7e7 Added IDs to resolver parameters, minor language fixes in resolver.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2450
diff changeset
2152 <para id="resolver_valid">
185
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2153 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
2154 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
2155 <example>
527
58d79f8c412d Documented 1.3.1 changes in "resolver".
Ruslan Ermilov <ru@nginx.com>
parents: 522
diff changeset
2156 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
2157 </example>
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2158 <note>
05e7496801ec Documented recent changes in the "resolver" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 176
diff changeset
2159 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
2160 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
2161 </note>
1770
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2162 <note>
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2163 To prevent DNS spoofing, it is recommended
ae46e57cecba Added note to the "resover" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1763
diff changeset
2164 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
2165 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2166 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2167
2424
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2168 <para id="resolver_status_zone">
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2169 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
2170 enables
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2171 <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
2172 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
2173 in the specified <value>zone</value>.
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2174 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
2175 <commercial_version>commercial subscription</commercial_version>.
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2176 </para>
dd3ac7eefeed Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 2391
diff changeset
2177
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2178 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2179
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2180
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2181 <directive name="resolver_timeout">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2182 <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
2183 <default>30s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2184 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2185 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2186 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2187
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2188 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2189 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
2190 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2191 resolver_timeout 5s;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2192 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2193 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2194
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2195 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2196
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2197
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2198 <directive name="root">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2199 <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
2200 <default>html</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2201 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2202 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2203 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2204 <context>if in location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2205
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2206 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2207 Sets the root directory for requests.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2208 For example, with the following configuration
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2209 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2210 location /i/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2211 root /data/w3;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2212 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2213 </example>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2214 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
2215 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
2216 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2217
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2218 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2219 The <value>path</value> value can contain variables,
69
935beaa561b3 - use of $document_root and $realpath_root in "root" is prohibited
Ruslan Ermilov <ru@nginx.com>
parents: 68
diff changeset
2220 except <var>$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
2221 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2222
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2223 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2224 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
2225 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
2226 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
2227 <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
2228 </para>
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 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2231
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2232
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2233 <directive name="satisfy">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2234 <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
2235 <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
2236 <context>http</context>
935beaa561b3 - use of $document_root and $realpath_root in "root" is prohibited
Ruslan Ermilov <ru@nginx.com>
parents: 68
diff changeset
2237 <context>server</context>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2238 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2239
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2240 <para>
971
6316a7579448 Documented the "ngx_http_auth_request" module.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
2241 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
2242 (<literal>any</literal>) of the
971
6316a7579448 Documented the "ngx_http_auth_request" module.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
2243 <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
2244 <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
2245 <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
2246 or
a7974b8d2a23 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1732
diff changeset
2247 <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
2248 modules allow access.
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2249 </para>
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2250
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2251 <para>
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
2252 Example:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2253 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2254 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2255 satisfy any;
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 allow 192.168.1.0/32;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2258 deny all;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2259
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2260 auth_basic "closed site";
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2261 auth_basic_user_file conf/htpasswd;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2262 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2263 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2264 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2265
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2266 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2267
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2268
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2269 <directive name="send_lowat">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2270 <syntax><value>size</value></syntax>
176
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2271 <default>0</default>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2272 <context>http</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2273 <context>server</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2274 <context>location</context>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2275
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2276 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2277 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
2278 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
2279 <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
2280 <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
2281 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
2282 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
2283 </para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2284
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2285 <para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2286 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
2287 </para>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2288
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2289 </directive>
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2290
0883fc5aabc9 Documented the "keepalive_disable" and "send_lowat" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 175
diff changeset
2291
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2292 <directive name="send_timeout">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2293 <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
2294 <default>60s</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2295 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2296 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2297 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2298
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2299 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2300 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
2301 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
2302 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
2303 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
2304 the connection is closed.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2305 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2306
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2307 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2308
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2309
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2310 <directive name="sendfile">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2311
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2312 <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
2313 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2314 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2315 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2316 <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
2317 <context>if in location</context>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2318
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2319 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2320 Enables or disables the use of
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2321 <c-func>sendfile</c-func>.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2322 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2323
1432
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2324 <para>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2325 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
2326 <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
2327 for <c-func>sendfile</c-func>:
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2328 <example>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2329 location /video/ {
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2330 sendfile on;
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2331 tcp_nopush on;
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2332 aio on;
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2333 }
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2334 </example>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2335 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
2336 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
2337 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
2338 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
2339 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
2340 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
2341 This can be changed using the
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2342 <link id="read_ahead"/> directive.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2343 <note>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2344 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
2345 <literal>aio sendfile;</literal>.
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2346 </note>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2347 </para>
9012d7935c9b Documented that "aio sendfile" is deprecated.
Ruslan Ermilov <ru@nginx.com>
parents: 1430
diff changeset
2348
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2349 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2350
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2351
175
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2352 <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
2353
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2354 <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
2355 <default>0</default>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2356 <context>http</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2357 <context>server</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2358 <context>location</context>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2359
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2360 <para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2361 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
2362 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
2363 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
2364 </para>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2365
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2366 </directive>
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2367
3381ae6a93e4 Documented the max_ranges, postpone_output, and sendfile_max_chunk directives.
Ruslan Ermilov <ru@nginx.com>
parents: 174
diff changeset
2368
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2369 <directive name="server">
108
72524ae53106 Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents: 106
diff changeset
2370 <syntax block="yes"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2371 <default/>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2372 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2373
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2374 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2375 Sets configuration for a virtual server.
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2376 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
2377 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
2378 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
2379 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
2380 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
2381 <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
2382 Example configurations are provided in the
ef11546f75ee Translated "request_processing" into Russian, removed "virtual_hosts"
Ruslan Ermilov <ru@nginx.com>
parents: 506
diff changeset
2383 “<link doc="request_processing.xml"/>” document.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2384 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2385
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2386 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2387
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2388
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2389 <directive name="server_name">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2390 <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
2391 <default>""</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2392 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2393
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2394 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2395 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
2396 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2397 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2398 server_name example.com www.example.com;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2399 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2400 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2401 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2402
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2403 <para>
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2404 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
2405 </para>
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2406
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2407 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2408 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
2409 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
2410 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2411 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2412 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
2413 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2414 </example>
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2415 Such names are called wildcard names.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2416 </para>
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 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
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;
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>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2428 It is also possible to use regular expressions in server names,
1101
ebe027a963f4 Typo fixed.
Andrei Belov <defan@nginx.com>
parents: 1097
diff changeset
2429 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
2430 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2431 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2432 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
2433 }
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 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2436
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2437 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2438 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
2439 be used in other directives:
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2440 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2441 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2442 server_name ~^(www\.)?(.+)$;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2443
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2444 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2445 root /sites/$2;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2446 }
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2449 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2450 server_name _;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2451
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2452 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2453 root /sites/default;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2454 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2455 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2456 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2457 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2458
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2459 <para>
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2460 Named captures in regular expressions create variables (0.8.25)
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2461 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
2462 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2463 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2464 server_name ~^(www\.)?(?&lt;domain&gt;.+)$;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2465
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2466 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2467 root /sites/$domain;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2468 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2469 }
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 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2472 server_name _;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2473
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2474 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2475 root /sites/default;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2476 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2477 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2478 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2479 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2480
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2481 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2482 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
2483 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
2484 </para>
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2485
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2486 <para>
70
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2487 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
2488 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2489 server {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2490 server_name www.example.com "";
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2491 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2492 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2493 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
2494 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
2495 This is the default setting.
272d99af0c15 The "server_name" directive:
Ruslan Ermilov <ru@nginx.com>
parents: 69
diff changeset
2496 <note>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
2497 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
2498 </note>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2499 </para>
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 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2502 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
2503 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
2504 (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
2505 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
2506 <list type="enum">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2507
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2508 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2509 the exact name
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2510 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2511
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2512 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2513 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
2514 e.g. “<literal>*.example.com</literal>”
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2515 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2516
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2517 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2518 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
2519 e.g. “<literal>mail.*</literal>”
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2520 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2521
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2522 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2523 the first matching regular expression
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2524 (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
2525 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2526
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2527 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2528 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2529
628
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2530 <para>
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2531 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
2532 <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
2533 </para>
779a47d0acb0 Unified terminology used in the "server_name" directive and server_names.xml.
Vladimir Homutov <vl@nginx.com>
parents: 627
diff changeset
2534
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2535 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2536
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2537
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2538 <directive name="server_name_in_redirect">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2539 <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
2540 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2541 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2542 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2543 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2544
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2545 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2546 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
2547 <link id="server_name"/> directive,
3685d90e133e Documented the "absolute_redirect" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1859
diff changeset
2548 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
2549 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
2550 <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
2551 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
2552 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2553
159
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
diff changeset
2554 <para>
659
77a3314c74a7 Avoid the uses of second person.
Ruslan Ermilov <ru@nginx.com>
parents: 651
diff changeset
2555 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
2556 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
2557 </para>
8c124aef0041 Cross-linked "server_name_in_redirect" and "port_in_redirect" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 152
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_names_hash_bucket_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2563 <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
2564 <default>32|64|128</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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2567 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2568 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
2569 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
2570 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
2571 <link doc="../hash.xml">document</link>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2572 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2573
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2574 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2575
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2576
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2577 <directive name="server_names_hash_max_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2578 <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
2579 <default>512</default>
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2580 <context>http</context>
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2581
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2582 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2583 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
2584 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
2585 <link doc="../hash.xml">document</link>.
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2586 </para>
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2587
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2588 </directive>
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2589
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2590
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2591 <directive name="server_tokens">
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2592 <syntax>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2593 <literal>on</literal> |
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2594 <literal>off</literal> |
1904
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2595 <literal>build</literal> |
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2596 <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
2597 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2598 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2599 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2600 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2601
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2602 <para>
1903
da00a2526415 Replaced "error messages" with "error pages" in server_tokens.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1879
diff changeset
2603 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
2604 <header>Server</header> response header field.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2605 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2606
1904
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2607 <para id="server_tokens_build">
1953
408eed0bf491 Clarified description of server_tokens build.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1923
diff changeset
2608 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
2609 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
2610 along with nginx version.
1904
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2611 </para>
d59199b0c022 Documented the "build" parameter of the "server_tokens" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1903
diff changeset
2612
1680
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2613 <para>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2614 Additionally, as part of our
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2615 <commercial_version>commercial subscription</commercial_version>,
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2616 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
2617 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
2618 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
2619 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
2620 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
2621 </para>
57c3f36b3b6a Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1665
diff changeset
2622
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2623 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2624
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2625
2118
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2626 <directive name="subrequest_output_buffer_size">
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2627 <syntax><value>size</value></syntax>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2628 <default>4k|8k</default>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2629 <context>http</context>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2630 <context>server</context>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2631 <context>location</context>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2632 <appeared-in>1.13.10</appeared-in>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2633
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2634 <para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2635 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
2636 storing the response body of a subrequest.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2637 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
2638 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
2639 It can be made smaller, however.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2640 </para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2641
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2642 <para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2643 The directive is applicable only for subrequests
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2644 with response bodies saved into memory.
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2645 For example, such subrequests are created by
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2646 <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
2647 </para>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2648
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2649 </directive>
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2650
0b3103eabdf1 Documented the "subrequest_output_buffer_size" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2039
diff changeset
2651
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2652 <directive name="tcp_nodelay">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2653 <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
2654 <default>on</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2655 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2656 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2657 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2658
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2659 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2660 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
2661 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
2662 keep-alive state.
2121
cf9e3d2893b6 Fixed description of the http tcp_nodelay directive.
Ruslan Ermilov <ru@nginx.com>
parents: 2118
diff changeset
2663 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
2664 for unbuffered proxying,
cf9e3d2893b6 Fixed description of the http tcp_nodelay directive.
Ruslan Ermilov <ru@nginx.com>
parents: 2118
diff changeset
2665 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
2666 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2667
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2668 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2669
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2670
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2671 <directive name="tcp_nopush">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2672 <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
2673 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2674 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2675 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2676 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2677
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2678 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2679 Enables or disables the use of
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2680 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
2681 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
2682 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
2683 Enabling the option allows
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2684 <list type="bullet">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2685
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2686 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2687 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
2688 on Linux and FreeBSD&nbsp;4.*;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2689 </listitem>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2690
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2691 <listitem>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2692 sending a file in full packets.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2693 </listitem>
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 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2696 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2697
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2698 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2699
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2700
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2701 <directive name="try_files">
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2702 <syntax><value>file</value> ... <value>uri</value></syntax>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2703 <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
2704 <default/>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2705 <context>server</context>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2706 <context>location</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2707
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2708 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2709 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
2710 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
2711 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
2712 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
2713 <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
2714 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
2715 <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
2716 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
2717 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
2718 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
2719 <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
2720 For example:
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2721 <example>
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2722 location /images/ {
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2723 try_files $uri /images/default.gif;
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2724 }
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2725
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2726 location = /images/default.gif {
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2727 expires 30s;
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2728 }
6b81a1950ecb Improved on "try_files" documentation:
Ruslan Ermilov <ru@nginx.com>
parents: 172
diff changeset
2729 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2730 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
2731 as shown in examples below.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2732 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
2733 <value>code</value>:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2734 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2735 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2736 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
2737 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2738 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2739 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2740
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2741 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2742 Example in proxying Mongrel:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2743 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2744 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2745 try_files /system/maintenance.html
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2746 $uri $uri/index.html $uri.html
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2747 @mongrel;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2748 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2749
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2750 location @mongrel {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2751 proxy_pass http://mongrel;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2752 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2753 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2754 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2755
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2756 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2757 Example for Drupal/FastCGI:
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 $uri/ @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2761 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2762
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2763 location ~ \.php$ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2764 try_files $uri @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2765
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2766 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2767
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2768 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2769 fastcgi_param SCRIPT_NAME $fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2770 fastcgi_param QUERY_STRING $args;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2771
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2772 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2773 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2774
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2775 location @drupal {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2776 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2777
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2778 fastcgi_param SCRIPT_FILENAME /path/to/index.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2779 fastcgi_param SCRIPT_NAME /index.php;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2780 fastcgi_param QUERY_STRING q=$uri&amp;$args;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2781
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2782 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2783 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2784 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2785 In the following example,
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2786 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2787 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2788 try_files $uri $uri/ @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2789 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2790 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2791 the <literal>try_files</literal> directive is equivalent to
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2792 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2793 location / {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2794 error_page 404 = @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2795 log_not_found off;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2796 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2797 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2798 And here,
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2799 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2800 location ~ \.php$ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2801 try_files $uri @drupal;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2802
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2803 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2804
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2805 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2806
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 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2809 </example>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2810 <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
2811 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
2812 </para>
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 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2815 Example for Wordpress and Joomla:
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 try_files $uri $uri/ @wordpress;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2819 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2820
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2821 location ~ \.php$ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2822 try_files $uri @wordpress;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2823
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2824 fastcgi_pass ...;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2825
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2826 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2827 ... other fastcgi_param's
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2830 location @wordpress {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2831 fastcgi_pass ...;
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 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
2834 ... other fastcgi_param's
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2835 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2836 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2837 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2838
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2839 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2840
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2841
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2842 <directive name="types">
108
72524ae53106 Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents: 106
diff changeset
2843 <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
2844 <default>
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2845 text/html html;
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2846 image/gif gif;
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2847 image/jpeg jpg;
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 98
diff changeset
2848 </default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2849 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2850 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2851 <context>location</context>
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 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2854 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
2855 Extensions are case-insensitive.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2856 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
2857 <example>
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2858 types {
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2859 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
2860 application/octet-stream deb;
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2861 application/octet-stream dmg;
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2862 }
0b65e87daa8a Documented that filename extensions that map to MIME types are
Ruslan Ermilov <ru@nginx.com>
parents: 159
diff changeset
2863 </example>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2864 </para>
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 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2867 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
2868 <path>conf/mime.types</path> file.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2869 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2870
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2871 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2872 To make a particular location emit the
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2873 “<literal>application/octet-stream</literal>”
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2874 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
2875 <example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2876 location /download/ {
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2877 types { }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2878 default_type application/octet-stream;
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2879 }
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2880 </example>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2881 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2882
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2883 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2884
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2885
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2886 <directive name="types_hash_bucket_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2887 <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
2888 <default>64</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2889 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2890 <context>server</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2891 <context>location</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2892
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2893 <para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2894 Sets the bucket size for the types hash tables.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2895 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
2896 <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
2897 <note>
8bdb4eb27f48 Documented the new default of "types_hash_bucket_size".
Ruslan Ermilov <ru@nginx.com>
parents: 1110
diff changeset
2898 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
2899 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
2900 </note>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2901 </para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2902
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2903 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2904
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2905
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2906 <directive name="types_hash_max_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2907 <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
2908 <default>1024</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2909 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2910 <context>server</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2911 <context>location</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2912
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2913 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2914 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
2915 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
2916 <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
2917 </para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2918
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2919 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2920
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2921
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2922 <directive name="underscores_in_headers">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2923 <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
2924 <default>off</default>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2925 <context>http</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2926 <context>server</context>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2927
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2928 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2929 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
2930 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
2931 contain underscores are
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2932 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
2933 <link id="ignore_invalid_headers"/> directive.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2934 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2935
426
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
2936 <para>
1023
375055da60fa Improved wording of merge_slashes etc. (ticket #448).
Maxim Dounin <mdounin@mdounin.ru>
parents: 1022
diff changeset
2937 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
2938 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
2939 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
2940 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
2941 </para>
1d6dc85ed324 Specifying "ignore_invalid_headers" or "underscores_in_headers" on the
Ruslan Ermilov <ru@nginx.com>
parents: 419
diff changeset
2942
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2943 </directive>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2944
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2945
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2946 <directive name="variables_hash_bucket_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2947 <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
2948 <default>64</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2949 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2950
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2951 <para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2952 Sets the bucket size for the variables hash table.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 958
diff changeset
2953 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
2954 <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
2955 </para>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2956
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2957 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2958
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2959
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2960 <directive name="variables_hash_max_size">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2961 <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
2962 <default>1024</default>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2963 <context>http</context>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2964
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2965 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2966 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
2967 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
2968 <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
2969 <note>
a0543e9213e7 New default value for the variables_hash_max_size directive.
Andrei Belov <defan@nginx.com>
parents: 1101
diff changeset
2970 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
2971 </note>
1110
4a4fe2d79d14 a0543e9213e7 nit fixed: "note" block moved inside "para".
Maxim Konovalov <maxim@nginx.com>
parents: 1108
diff changeset
2972 </para>
72
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2973
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2974 </directive>
0987079ad08f - "try_files" can be specified in the "server" context,
Ruslan Ermilov <ru@nginx.com>
parents: 70
diff changeset
2975
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2976 </section>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2977
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 318
diff changeset
2978
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2979 <section id="variables" name="Embedded Variables">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2980
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2981 <para>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2982 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
2983 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
2984 First of all, these are variables representing client request header
82
89c31b453d40 Sorted directives alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 72
diff changeset
2985 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
2986 and so on.
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
2987 Also there are other variables:
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2988 <list type="tag">
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2989
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
2990 <tag-name id="var_arg_"><var>$arg_</var><value>name</value></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
2991 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
2992 argument <value>name</value> in the request line
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
2993 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
2994
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
2995 <tag-name id="var_args"><var>$args</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2996 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2997 arguments in the request line
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2998 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
2999
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3000 <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
3001 <tag-desc>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3002 client address in a binary form, value’s length is always 4 bytes
1699
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1692
diff changeset
3003 for IPv4 addresses or 16 bytes for IPv6 addresses
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3004 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3005
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3006 <tag-name id="var_body_bytes_sent"><var>$body_bytes_sent</var></tag-name>
86
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3007 <tag-desc>
769
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3008 number of bytes sent to a client, not counting the response header;
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3009 this variable is compatible with the “<literal>%B</literal>” parameter of the
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3010 <literal>mod_log_config</literal>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3011 Apache module
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3012 </tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3013
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3014 <tag-name id="var_bytes_sent"><var>$bytes_sent</var></tag-name>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3015 <tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3016 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
3017 </tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3018
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3019 <tag-name id="var_connection"><var>$connection</var></tag-name>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3020 <tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3021 connection serial number (1.3.8, 1.2.5)
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3022 </tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3023
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3024 <tag-name id="var_connection_requests"><var>$connection_requests</var></tag-name>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3025 <tag-desc>
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3026 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
3027 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3028
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3029 <tag-name id="var_content_length"><var>$content_length</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3030 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3031 <header>Content-Length</header> request header field
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3032 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3033
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3034 <tag-name id="var_content_type"><var>$content_type</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3035 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3036 <header>Content-Type</header> request header field
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3037 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3038
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3039 <tag-name id="var_cookie_"><var>$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
3040 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3041 the <value>name</value> cookie
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3042 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3043
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3044 <tag-name id="var_document_root"><var>$document_root</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3045 <tag-desc>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3046 <link id="root"/> or <link id="alias"/> directive’s value
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3047 for the current request
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3048 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3049
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3050 <tag-name id="var_document_uri"><var>$document_uri</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3051 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3052 same as <var>$uri</var>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3053 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3054
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3055 <tag-name id="var_host"><var>$host</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3056 <tag-desc>
940
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3057 in this order of precedence:
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3058 host name from the request line, or
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3059 host name from the <header>Host</header> request header field, or
ded8f4a5de28 Corrected description of the $host variable.
Ruslan Ermilov <ru@nginx.com>
parents: 914
diff changeset
3060 the server name matching a request
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3061 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3062
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3063 <tag-name id="var_hostname"><var>$hostname</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3064 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3065 host name
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_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
3069 <tag-desc>
448
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3070 arbitrary request header field;
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3071 the last part of a variable name is the field name converted
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3072 to lower case with dashes replaced by underscores
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3073 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3074
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3075 <tag-name id="var_https"><var>$https</var></tag-name>
234
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3076 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3077 “<literal>on</literal>”
234
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3078 if connection operates in SSL mode,
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3079 or an empty string otherwise
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3080 </tag-desc>
ad26f0ae970f Documented the $https variable.
Ruslan Ermilov <ru@nginx.com>
parents: 225
diff changeset
3081
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3082 <tag-name id="var_is_args"><var>$is_args</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3083 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3084 “<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
3085 or an empty string otherwise
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3086 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3087
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3088 <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
3089 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3090 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
3091 see <link id="limit_rate"/>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3092 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3093
771
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3094 <tag-name id="var_msec"><var>$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
3095 <tag-desc>
958
fd1f8e0a405e Text review of ngx_http_core_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 941
diff changeset
3096 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
3097 </tag-desc>
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3098
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3099 <tag-name id="var_nginx_version"><var>$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
3100 <tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3101 nginx version
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3102 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3103
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3104 <tag-name id="var_pid"><var>$pid</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3105 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3106 PID of the worker process
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3107 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3108
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3109 <tag-name id="var_pipe"><var>$pipe</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3110 <tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3111 “<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
3112 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
3113 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3114
1097
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3115 <tag-name id="var_proxy_protocol_addr"><var>$proxy_protocol_addr</var></tag-name>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3116 <tag-desc>
2457
3896055c397e Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2452
diff changeset
3117 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
3118 <para>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3119 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
3120 <literal>proxy_protocol</literal> parameter
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3121 in the <link id="listen"/> directive.
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3122 </para>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3123 </tag-desc>
eeb690d4212b Documented the PROXY protocol support.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1037
diff changeset
3124
1704
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3125 <tag-name id="var_proxy_protocol_port"><var>$proxy_protocol_port</var></tag-name>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3126 <tag-desc>
2457
3896055c397e Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2452
diff changeset
3127 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
3128 <para>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3129 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
3130 <literal>proxy_protocol</literal> parameter
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3131 in the <link id="listen"/> directive.
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3132 </para>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3133 </tag-desc>
792478434bb1 Documented the $proxy_protocol_port variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1699
diff changeset
3134
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3135 <tag-name id="var_query_string"><var>$query_string</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3136 <tag-desc>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3137 same as <var>$args</var>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3138 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3139
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3140 <tag-name id="var_realpath_root"><var>$realpath_root</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3141 <tag-desc>
436
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3142 an absolute pathname corresponding to the
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3143 <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
3144 for the current request,
3a9f39341c7c - Documented the "from" parameter of the "disable_symlinks" directive,
Ruslan Ermilov <ru@nginx.com>
parents: 429
diff changeset
3145 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
3146 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3147
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3148 <tag-name id="var_remote_addr"><var>$remote_addr</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3149 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3150 client address
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3151 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3152
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3153 <tag-name id="var_remote_port"><var>$remote_port</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3154 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3155 client port
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3156 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3157
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3158 <tag-name id="var_remote_user"><var>$remote_user</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3159 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3160 user name supplied with the Basic authentication
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3161 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3162
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3163 <tag-name id="var_request"><var>$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
3164 <tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3165 full original request line
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3166 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3167
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3168 <tag-name id="var_request_body"><var>$request_body</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3169 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3170 request body
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3171 <para>
625
af3f38e349eb Removed terminal whitespace and fixed apostrophes used.
Ruslan Ermilov <ru@nginx.com>
parents: 617
diff changeset
3172 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
3173 processed by the
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3174 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>,
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3175 <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
3176 <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
3177 and
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3178 <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
3179 directives when the request body was read to
5eb54b170c74 Clarified cases when $request_body is not empty.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1721
diff changeset
3180 a <link id="client_body_buffer_size">memory buffer</link>.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3181 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3182 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3183
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3184 <tag-name id="var_request_body_file"><var>$request_body_file</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3185 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3186 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
3187 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3188 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
3189 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
3190 <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
3191 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
3192 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
3193 passing the request body should be disabled by the
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
3194 <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
3195 proxy_pass_request_body off</link>,
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
3196 <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
3197 fastcgi_pass_request_body off</link>,
9264fdb6c833 Added links to uwsgi.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
3198 <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
3199 uwsgi_pass_request_body off</link>, or
1181
b8f0362f61e5 Added links to scgi.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1151
diff changeset
3200 <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
3201 scgi_pass_request_body off</link>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3202 directives, respectively.
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3203 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3204 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3205
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3206 <tag-name id="var_request_completion"><var>$request_completion</var></tag-name>
88
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3207 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3208 “<literal>OK</literal>” if a request has completed,
88
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3209 or an empty string otherwise
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3210 </tag-desc>
6876e2558d09 Spell checking.
Ruslan Ermilov <ru@nginx.com>
parents: 86
diff changeset
3211
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3212 <tag-name id="var_request_filename"><var>$request_filename</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3213 <tag-desc>
530
d8c7160527ae query -> request
Ruslan Ermilov <ru@nginx.com>
parents: 527
diff changeset
3214 file path for the current request, based on the
246
6bfacf7124c6 Minor tweaks.
Ruslan Ermilov <ru@nginx.com>
parents: 244
diff changeset
3215 <link id="root"/> or <link id="alias"/>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3216 directives, and the request URI
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3217 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3218
1692
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3219 <tag-name id="var_request_id"><var>$request_id</var></tag-name>
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3220 <tag-desc>
1721
737c86e8b316 Clarified meaning of the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1704
diff changeset
3221 unique request identifier
737c86e8b316 Clarified meaning of the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1704
diff changeset
3222 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
3223 </tag-desc>
4319f72f11f5 Documented the $request_id variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1680
diff changeset
3224
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3225 <tag-name id="var_request_length"><var>$request_length</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3226 <tag-desc>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3227 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
3228 (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
3229 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3230
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3231 <tag-name id="var_request_method"><var>$request_method</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3232 <tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3233 request method, usually
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3234 “<literal>GET</literal>” or “<literal>POST</literal>”
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3235 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3236
771
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3237 <tag-name id="var_request_time"><var>$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
3238 <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
3239 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
3240 (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
3241 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
3242 </tag-desc>
47ad88faaa3f $msec and $request_time have become generic variables in 1.3.9.
Ruslan Ermilov <ru@nginx.com>
parents: 769
diff changeset
3243
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3244 <tag-name id="var_request_uri"><var>$request_uri</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3245 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3246 full original request URI (with arguments)
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3247 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3248
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3249 <tag-name id="var_scheme"><var>$scheme</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3250 <tag-desc>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3251 request scheme, “<literal>http</literal>” or “<literal>https</literal>”
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3252 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3253
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3254 <tag-name id="var_sent_http_"><var>$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
3255 <tag-desc>
448
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3256 arbitrary response header field;
92672f6f0ee1 Elaborated on $http_* and $sent_http_* syntax.
Ruslan Ermilov <ru@nginx.com>
parents: 442
diff changeset
3257 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
3258 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
3259 </tag-desc>
341dc6392e8a Documented $body_bytes_sent, $nginx_version, $request, and $sent_http_*.
Ruslan Ermilov <ru@nginx.com>
parents: 83
diff changeset
3260
2003
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3261 <tag-name id="var_sent_trailer_"><var>$sent_trailer_</var><value>name</value></tag-name>
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3262 <tag-desc>
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3263 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
3264 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
3265 to lower case with dashes replaced by underscores
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3266 </tag-desc>
be779702663e Documented the "sent_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1964
diff changeset
3267
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3268 <tag-name id="var_server_addr"><var>$server_addr</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3269 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3270 an address of the server which accepted a request
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3271 <para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3272 Computing a value of this variable usually requires one system call.
106
56457a474903 If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
3273 To avoid a system call, the <link id="listen"/> directives
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
3274 must specify addresses and use the <literal>bind</literal> parameter.
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3275 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3276 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3277
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3278 <tag-name id="var_server_name"><var>$server_name</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3279 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3280 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
3281 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3282
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3283 <tag-name id="var_server_port"><var>$server_port</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3284 <tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3285 port of the server which accepted a request
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3286 </tag-desc>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3287
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3288 <tag-name id="var_server_protocol"><var>$server_protocol</var></tag-name>
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3289 <tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3290 request protocol, usually
1597
8b97ba73129b Added HTTP/2.0 to the "server_protocol" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1576
diff changeset
3291 “<literal>HTTP/1.0</literal>”,
1614
1bab8e5f53c6 Added Oxford comma to "$server_protocol".
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1597
diff changeset
3292 “<literal>HTTP/1.1</literal>”,
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3293 or
1597
8b97ba73129b Added HTTP/2.0 to the "server_protocol" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1576
diff changeset
3294 “<link doc="ngx_http_v2_module.xml">HTTP/2.0</link>”
83
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3295 </tag-desc>
e8ed74d3fa0e Sorted variables alphabetically.
Ruslan Ermilov <ru@nginx.com>
parents: 82
diff changeset
3296
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3297 <tag-name id="var_status"><var>$status</var></tag-name>
541
a8971cf346be Documented the $status core variable.
Andrey Belov <defan@nginx.com>
parents: 537
diff changeset
3298 <tag-desc>
769
d71e56d56ada Documented variables relocations between http log and core modules.
Vladimir Homutov <vl@nginx.com>
parents: 768
diff changeset
3299 response status (1.3.2, 1.2.2)
541
a8971cf346be Documented the $status core variable.
Andrey Belov <defan@nginx.com>
parents: 537
diff changeset
3300 </tag-desc>
a8971cf346be Documented the $status core variable.
Andrey Belov <defan@nginx.com>
parents: 537
diff changeset
3301
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3302 <tag-name id="var_tcpinfo_">
453
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3303 <var>$tcpinfo_rtt</var>,
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3304 <var>$tcpinfo_rttvar</var>,
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3305 <var>$tcpinfo_snd_cwnd</var>,
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3306 <var>$tcpinfo_rcv_space</var>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3307 </tag-name>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3308 <tag-desc>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3309 information about the client TCP connection; available on systems
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3310 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
3311 </tag-desc>
98ee97a382d3 Documented the $tcpinfo_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 448
diff changeset
3312
826
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3313 <tag-name id="var_time_iso8601"><var>$time_iso8601</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3314 <tag-desc>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3315 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
3316 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3317
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3318 <tag-name id="var_time_local"><var>$time_local</var></tag-name>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3319 <tag-desc>
840
9dab69f2b71d Documented nginx 1.2.7 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 835
diff changeset
3320 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
3321 </tag-desc>
ddd22f571529 Variables $pipe, $request_length, $time_iso8601, and $time_local.
Ruslan Ermilov <ru@nginx.com>
parents: 810
diff changeset
3322
768
f63b7fa3bf17 Added "id" attributes to http core module variables.
Vladimir Homutov <vl@nginx.com>
parents: 767
diff changeset
3323 <tag-name id="var_uri"><var>$uri</var></tag-name>
57
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3324 <tag-desc>
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
3325 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
3326 <para>
503
aed015c3dedd Documented URI normalization rules, including %-decoding.
Ruslan Ermilov <ru@nginx.com>
parents: 499
diff changeset
3327 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
3328 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
3329 </para>
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
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3332 </list>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3333 </para>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3334
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3335 </section>
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3336
12f1de4539b4 Initial English translation of ngx_http_core_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
3337 </module>