Mercurial > hg > nginx-site
annotate xml/en/docs/stream/ngx_stream_core_module.xml @ 2125:b19d5d47c16c
Documented ver.2 of the PROXY protocol.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Wed, 28 Mar 2018 22:21:53 +0300 |
parents | 351cefd5ff9c |
children | 962e1adfa032 |
rev | line source |
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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) Nginx, Inc. |
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5 --> |
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6 |
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7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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8 |
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9 <module name="Module ngx_stream_core_module" |
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10 link="/en/docs/stream/ngx_stream_core_module.html" |
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11 lang="en" |
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12 rev="24"> |
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13 |
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14 <section id="summary"> |
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15 |
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16 <para> |
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17 The <literal>ngx_stream_core_module</literal> module |
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18 is available since version 1.9.0. |
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19 This module is not built by default, it should be enabled with the |
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20 <literal>--with-stream</literal> |
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21 configuration parameter. |
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22 </para> |
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23 |
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24 </section> |
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25 |
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26 |
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27 <section id="example" name="Example Configuration"> |
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28 |
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29 <para> |
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30 <example> |
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31 worker_processes auto; |
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32 |
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33 error_log /var/log/nginx/error.log info; |
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34 |
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35 events { |
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36 worker_connections 1024; |
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37 } |
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38 |
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39 stream { |
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40 upstream backend { |
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41 hash $remote_addr consistent; |
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42 |
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43 server backend1.example.com:12345 weight=5; |
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44 server 127.0.0.1:12345 max_fails=3 fail_timeout=30s; |
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45 server unix:/tmp/backend3; |
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46 } |
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47 |
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48 upstream dns { |
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49 server 192.168.0.1:53535; |
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50 server dns.example.com:53; |
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51 } |
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52 |
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53 server { |
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54 listen 12345; |
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55 proxy_connect_timeout 1s; |
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56 proxy_timeout 3s; |
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57 proxy_pass backend; |
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58 } |
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59 |
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60 server { |
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61 listen 127.0.0.1:53 udp; |
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62 proxy_responses 1; |
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63 proxy_timeout 20s; |
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64 proxy_pass dns; |
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65 } |
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66 |
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67 server { |
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68 listen [::1]:12345; |
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69 proxy_pass unix:/tmp/stream.socket; |
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70 } |
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71 } |
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72 </example> |
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73 </para> |
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74 |
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75 </section> |
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76 |
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77 |
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78 <section id="directives" name="Directives"> |
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79 |
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80 <directive name="listen"> |
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81 <syntax> |
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82 <value>address</value>:<value>port</value> |
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83 [<literal>ssl</literal>] |
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84 [<literal>udp</literal>] |
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85 [<literal>proxy_protocol</literal>] |
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86 [<literal>backlog</literal>=<value>number</value>] |
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87 [<literal>rcvbuf</literal>=<value>size</value>] |
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88 [<literal>sndbuf</literal>=<value>size</value>] |
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89 [<literal>bind</literal>] |
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90 [<literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>] |
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91 [<literal>reuseport</literal>] |
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92 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax> |
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93 <default/> |
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94 <context>server</context> |
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95 |
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96 <para> |
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97 Sets the <value>address</value> and <value>port</value> for the socket |
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98 on which the server will accept connections. |
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99 It is possible to specify just the port. |
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100 The address can also be a hostname, for example: |
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101 <example> |
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102 listen 127.0.0.1:12345; |
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103 listen *:12345; |
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104 listen 12345; # same as *:12345 |
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105 listen localhost:12345; |
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106 </example> |
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107 IPv6 addresses are specified in square brackets: |
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108 <example> |
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109 listen [::1]:12345; |
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110 listen [::]:12345; |
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111 </example> |
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112 UNIX-domain sockets are specified with the “<literal>unix:</literal>” |
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113 prefix: |
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114 <example> |
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115 listen unix:/var/run/nginx.sock; |
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116 </example> |
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117 |
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118 </para> |
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119 |
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120 <para> |
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121 The <literal>ssl</literal> parameter allows specifying that all |
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122 connections accepted on this port should work in SSL mode. |
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123 </para> |
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124 |
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125 <para id="udp"> |
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126 The <literal>udp</literal> parameter configures a listening socket |
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127 for working with datagrams (1.9.13). |
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128 </para> |
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129 |
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130 <para id="proxy_protocol"> |
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131 The <literal>proxy_protocol</literal> parameter (1.11.4) |
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132 allows specifying that all connections accepted on this port should use the |
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133 <link url="http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt">PROXY |
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134 protocol</link>. |
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135 <note> |
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136 The PROXY protocol version 2 is supported since version 1.13.11. |
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137 </note> |
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138 </para> |
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139 |
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140 <para> |
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141 The <literal>listen</literal> directive |
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142 can have several additional parameters specific to socket-related system calls. |
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143 <list type="tag"> |
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144 |
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145 <tag-name> |
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146 <literal>backlog</literal>=<value>number</value> |
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147 </tag-name> |
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148 <tag-desc> |
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149 sets the <literal>backlog</literal> parameter in the |
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150 <c-func>listen</c-func> call that limits |
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151 the maximum length for the queue of pending connections (1.9.2). |
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152 By default, |
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153 <literal>backlog</literal> is set to -1 on FreeBSD, DragonFly BSD, and macOS, |
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154 and to 511 on other platforms. |
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155 </tag-desc> |
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156 |
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157 <tag-name> |
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158 <literal>rcvbuf</literal>=<value>size</value> |
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159 </tag-name> |
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160 <tag-desc> |
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161 sets the receive buffer size |
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162 (the <c-def>SO_RCVBUF</c-def> option) for the listening socket (1.11.13). |
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163 </tag-desc> |
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164 |
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165 <tag-name> |
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166 <literal>sndbuf</literal>=<value>size</value> |
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167 </tag-name> |
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168 <tag-desc> |
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169 sets the send buffer size |
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170 (the <c-def>SO_SNDBUF</c-def> option) for the listening socket (1.11.13). |
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171 </tag-desc> |
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172 |
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173 <tag-name> |
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174 <literal>bind</literal> |
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175 </tag-name> |
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176 <tag-desc> |
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177 this parameter instructs to make a separate <c-func>bind</c-func> |
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178 call for a given address:port pair. |
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179 The fact is that if there are several <literal>listen</literal> directives with |
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180 the same port but different addresses, and one of the |
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181 <literal>listen</literal> directives listens on all addresses |
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182 for the given port (<literal>*:</literal><value>port</value>), nginx will |
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183 <c-func>bind</c-func> only to <literal>*:</literal><value>port</value>. |
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184 It should be noted that the <c-func>getsockname</c-func> system call will be |
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185 made in this case to determine the address that accepted the connection. |
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186 If the <literal>ipv6only</literal> |
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187 or <literal>so_keepalive</literal> parameters |
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188 are used then for a given |
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189 <value>address</value>:<value>port</value> pair |
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190 a separate <c-func>bind</c-func> call will always be made. |
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191 </tag-desc> |
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192 |
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193 <tag-name> |
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194 <literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal> |
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195 </tag-name> |
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196 <tag-desc> |
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197 this parameter determines |
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198 (via the <c-def>IPV6_V6ONLY</c-def> socket option) |
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199 whether an IPv6 socket listening on a wildcard address <literal>[::]</literal> |
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200 will accept only IPv6 connections or both IPv6 and IPv4 connections. |
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201 This parameter is turned on by default. |
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202 It can only be set once on start. |
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203 </tag-desc> |
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204 |
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205 <tag-name id="reuseport"> |
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206 <literal>reuseport</literal> |
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207 </tag-name> |
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208 <tag-desc> |
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209 this parameter (1.9.1) instructs to create an individual listening socket |
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210 for each worker process |
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211 (using the <c-def>SO_REUSEPORT</c-def> socket option), allowing a kernel |
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212 to distribute incoming connections between worker processes. |
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213 This currently works only on Linux 3.9+ and DragonFly BSD. |
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214 <note> |
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215 Inappropriate use of this option may have its security |
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216 <link url="http://man7.org/linux/man-pages/man7/socket.7.html">implications</link>. |
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217 </note> |
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218 </tag-desc> |
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219 |
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220 <tag-name> |
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221 <literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>] |
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222 </tag-name> |
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223 <tag-desc> |
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224 this parameter configures the “TCP keepalive” behavior |
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225 for the listening socket. |
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226 If this parameter is omitted then the operating system’s settings will be |
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227 in effect for the socket. |
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228 If it is set to the value “<literal>on</literal>”, the |
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229 <c-def>SO_KEEPALIVE</c-def> option is turned on for the socket. |
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230 If it is set to the value “<literal>off</literal>”, the |
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231 <c-def>SO_KEEPALIVE</c-def> option is turned off for the socket. |
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232 Some operating systems support setting of TCP keepalive parameters on |
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233 a per-socket basis using the <c-def>TCP_KEEPIDLE</c-def>, |
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234 <c-def>TCP_KEEPINTVL</c-def>, and <c-def>TCP_KEEPCNT</c-def> socket options. |
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235 On such systems (currently, Linux 2.4+, NetBSD 5+, and |
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236 FreeBSD 9.0-STABLE), they can be configured |
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237 using the <value>keepidle</value>, <value>keepintvl</value>, and |
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238 <value>keepcnt</value> parameters. |
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239 One or two parameters may be omitted, in which case the system default setting |
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240 for the corresponding socket option will be in effect. |
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241 For example, |
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242 <example>so_keepalive=30m::10</example> |
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243 will set the idle timeout (<c-def>TCP_KEEPIDLE</c-def>) to 30 minutes, |
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244 leave the probe interval (<c-def>TCP_KEEPINTVL</c-def>) at its system default, |
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245 and set the probes count (<c-def>TCP_KEEPCNT</c-def>) to 10 probes. |
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246 </tag-desc> |
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247 |
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248 </list> |
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249 </para> |
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250 |
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251 <para> |
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252 Different servers must listen on different |
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253 <value>address</value>:<value>port</value> pairs. |
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254 </para> |
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255 |
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256 </directive> |
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257 |
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258 |
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259 <directive name="preread_buffer_size"> |
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260 <syntax><value>size</value></syntax> |
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261 <default>16k</default> |
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262 <context>stream</context> |
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263 <context>server</context> |
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264 <appeared-in>1.11.5</appeared-in> |
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265 |
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266 <para> |
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267 Specifies a <value>size</value> of the |
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268 <link doc="stream_processing.xml" id="preread_phase">preread</link> buffer. |
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269 </para> |
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270 |
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271 </directive> |
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272 |
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273 |
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274 <directive name="preread_timeout"> |
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275 <syntax><value>timeout</value></syntax> |
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276 <default>30s</default> |
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277 <context>stream</context> |
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278 <context>server</context> |
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279 <appeared-in>1.11.5</appeared-in> |
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280 |
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281 <para> |
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282 Specifies a <value>timeout</value> of the |
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283 <link doc="stream_processing.xml" id="preread_phase">preread</link> phase. |
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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="proxy_protocol_timeout"> |
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290 <syntax><value>timeout</value></syntax> |
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291 <default>30s</default> |
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292 <context>stream</context> |
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293 <context>server</context> |
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294 <appeared-in>1.11.4</appeared-in> |
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295 |
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296 <para> |
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297 Specifies a <value>timeout</value> for |
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298 reading the PROXY protocol header to complete. |
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299 If no entire header is transmitted within this time, |
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300 the connection is closed. |
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301 </para> |
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302 |
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303 </directive> |
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304 |
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305 |
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306 <directive name="resolver"> |
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307 <syntax> |
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308 <value>address</value> ... |
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309 [<literal>valid</literal>=<value>time</value>] |
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310 [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]</syntax> |
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311 <default/> |
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312 <context>stream</context> |
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313 <context>server</context> |
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314 <appeared-in>1.11.3</appeared-in> |
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315 |
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316 <para> |
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317 Configures name servers used to resolve names of upstream servers |
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318 into addresses, for example: |
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319 <example> |
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320 resolver 127.0.0.1 [::1]:5353; |
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321 </example> |
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322 An address can be specified as a domain name or IP address, |
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323 and an optional port. |
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324 If port is not specified, the port 53 is used. |
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325 Name servers are queried in a round-robin fashion. |
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326 </para> |
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327 |
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328 <para> |
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329 By default, nginx will look up both IPv4 and IPv6 addresses while resolving. |
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330 If looking up of IPv6 addresses is not desired, |
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331 the <literal>ipv6=off</literal> parameter can be specified. |
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332 </para> |
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333 |
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334 <para> |
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335 By default, nginx caches answers using the TTL value of a response. |
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336 The optional <literal>valid</literal> parameter allows overriding it: |
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337 <example> |
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338 resolver 127.0.0.1 [::1]:5353 valid=30s; |
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339 </example> |
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340 <note> |
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341 Before version 1.11.3, this directive was available as part of our |
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342 <commercial_version>commercial subscription</commercial_version>. |
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343 </note> |
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344 </para> |
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345 |
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346 </directive> |
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347 |
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348 |
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349 <directive name="resolver_timeout"> |
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350 <syntax><value>time</value></syntax> |
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351 <default>30s</default> |
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352 <context>stream</context> |
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353 <context>server</context> |
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354 <appeared-in>1.11.3</appeared-in> |
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355 |
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|
356 <para> |
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357 Sets a timeout for name resolution, for example: |
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|
358 <example> |
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|
359 resolver_timeout 5s; |
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|
360 </example> |
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|
361 <note> |
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|
362 Before version 1.11.3, this directive was available as part of our |
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363 <commercial_version>commercial subscription</commercial_version>. |
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|
364 </note> |
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365 </para> |
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|
366 |
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|
367 </directive> |
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|
368 |
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|
369 |
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370 <directive name="server"> |
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|
371 <syntax block="yes"/> |
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|
372 <default/> |
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|
373 <context>stream</context> |
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|
374 |
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|
375 <para> |
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|
376 Sets the configuration for a server. |
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|
377 </para> |
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|
378 |
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379 </directive> |
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changeset
|
380 |
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changeset
|
381 |
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changeset
|
382 <directive name="stream"> |
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changeset
|
383 <syntax block="yes"/> |
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changeset
|
384 <default/> |
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|
385 <context>main</context> |
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changeset
|
386 |
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|
387 <para> |
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|
388 Provides the configuration file context in which the stream server directives |
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|
389 are specified. |
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|
390 </para> |
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|
391 |
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|
392 </directive> |
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changeset
|
393 |
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changeset
|
394 |
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Documented the tcp_nodelay directive for stream.
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|
395 <directive name="tcp_nodelay"> |
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396 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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Documented the tcp_nodelay directive for stream.
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|
397 <default>on</default> |
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Documented the tcp_nodelay directive for stream.
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|
398 <context>stream</context> |
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Documented the tcp_nodelay directive for stream.
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changeset
|
399 <context>server</context> |
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changeset
|
400 <appeared-in>1.9.4</appeared-in> |
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changeset
|
401 |
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changeset
|
402 <para> |
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changeset
|
403 Enables or disables the use of the <c-def>TCP_NODELAY</c-def> option. |
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Documented the tcp_nodelay directive for stream.
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changeset
|
404 The option is enabled for both client and proxied server connections. |
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|
405 </para> |
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Documented the tcp_nodelay directive for stream.
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changeset
|
406 |
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Documented the tcp_nodelay directive for stream.
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changeset
|
407 </directive> |
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Documented the tcp_nodelay directive for stream.
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changeset
|
408 |
1741
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Added variables_hash_bucket_size and variables_max_size in stream.
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|
409 |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
410 <directive name="variables_hash_bucket_size"> |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
411 <syntax><value>size</value></syntax> |
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|
412 <default>64</default> |
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|
413 <context>stream</context> |
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changeset
|
414 <appeared-in>1.11.2</appeared-in> |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
415 |
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changeset
|
416 <para> |
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changeset
|
417 Sets the bucket size for the variables hash table. |
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|
418 The details of setting up hash tables are provided in a separate |
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|
419 <link doc="../hash.xml">document</link>. |
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|
420 </para> |
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changeset
|
421 |
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changeset
|
422 </directive> |
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changeset
|
423 |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
424 |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
425 <directive name="variables_hash_max_size"> |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
426 <syntax><value>size</value></syntax> |
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changeset
|
427 <default>1024</default> |
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changeset
|
428 <context>stream</context> |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
429 <appeared-in>1.11.2</appeared-in> |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
430 |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
431 <para> |
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changeset
|
432 Sets the maximum <value>size</value> of the variables hash table. |
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changeset
|
433 The details of setting up hash tables are provided in a separate |
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changeset
|
434 <link doc="../hash.xml">document</link>. |
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changeset
|
435 </para> |
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changeset
|
436 |
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Added variables_hash_bucket_size and variables_max_size in stream.
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changeset
|
437 </directive> |
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changeset
|
438 |
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|
439 </section> |
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diff
changeset
|
440 |
1742
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Documented variables in ngx_stream_core_module.
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changeset
|
441 |
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Documented variables in ngx_stream_core_module.
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changeset
|
442 <section id="variables" name="Embedded Variables"> |
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|
443 |
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Documented variables in ngx_stream_core_module.
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|
444 <para> |
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changeset
|
445 The <literal>ngx_stream_core_module</literal> module supports variables |
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changeset
|
446 since 1.11.2. |
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changeset
|
447 <list type="tag"> |
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Documented variables in ngx_stream_core_module.
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changeset
|
448 |
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Documented variables in ngx_stream_core_module.
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changeset
|
449 <tag-name id="var_binary_remote_addr"><var>$binary_remote_addr</var></tag-name> |
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changeset
|
450 <tag-desc> |
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changeset
|
451 client address in a binary form, value’s length is always 4 bytes |
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changeset
|
452 for IPv4 addresses or 16 bytes for IPv6 addresses |
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changeset
|
453 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
454 |
1768
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
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changeset
|
455 <tag-name id="var_bytes_received"><var>$bytes_received</var></tag-name> |
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Documented $bytes_received, $session_time, $protocol in stream.
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diff
changeset
|
456 <tag-desc> |
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Documented $bytes_received, $session_time, $protocol in stream.
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changeset
|
457 number of bytes received from a client (1.11.4) |
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Documented $bytes_received, $session_time, $protocol in stream.
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changeset
|
458 </tag-desc> |
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Documented $bytes_received, $session_time, $protocol in stream.
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diff
changeset
|
459 |
1742
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Documented variables in ngx_stream_core_module.
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changeset
|
460 <tag-name id="var_bytes_sent"><var>$bytes_sent</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
461 <tag-desc> |
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changeset
|
462 number of bytes sent to a client |
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diff
changeset
|
463 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
464 |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
465 <tag-name id="var_connection"><var>$connection</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
466 <tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
467 connection serial number |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
468 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
469 |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
470 <tag-name id="var_hostname"><var>$hostname</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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471 <tag-desc> |
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Documented variables in ngx_stream_core_module.
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|
472 host name |
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Documented variables in ngx_stream_core_module.
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changeset
|
473 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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|
474 |
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Documented variables in ngx_stream_core_module.
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changeset
|
475 <tag-name id="var_msec"><var>$msec</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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|
476 <tag-desc> |
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|
477 current time in seconds with the milliseconds resolution |
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Documented variables in ngx_stream_core_module.
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changeset
|
478 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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changeset
|
479 |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
480 <tag-name id="var_nginx_version"><var>$nginx_version</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
481 <tag-desc> |
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Documented variables in ngx_stream_core_module.
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|
482 nginx version |
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Documented variables in ngx_stream_core_module.
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changeset
|
483 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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changeset
|
484 |
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Documented variables in ngx_stream_core_module.
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changeset
|
485 <tag-name id="var_pid"><var>$pid</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
486 <tag-desc> |
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Documented variables in ngx_stream_core_module.
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|
487 PID of the worker process |
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changeset
|
488 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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changeset
|
489 |
1768
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
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|
490 <tag-name id="var_protocol"><var>$protocol</var></tag-name> |
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Documented $bytes_received, $session_time, $protocol in stream.
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changeset
|
491 <tag-desc> |
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Documented $bytes_received, $session_time, $protocol in stream.
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changeset
|
492 protocol used to communicate with the client: |
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
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|
493 <literal>TCP</literal> or <literal>UDP</literal> (1.11.4) |
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Documented $bytes_received, $session_time, $protocol in stream.
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|
494 </tag-desc> |
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Documented $bytes_received, $session_time, $protocol in stream.
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changeset
|
495 |
1778
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
496 <tag-name id="var_proxy_protocol_addr"><var>$proxy_protocol_addr</var></tag-name> |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
497 <tag-desc> |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
498 client address from the PROXY protocol header, or an empty string otherwise |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
499 (1.11.4) |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
500 <para> |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
501 The PROXY protocol must be previously enabled by setting the |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
502 <literal>proxy_protocol</literal> parameter |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
503 in the <link id="listen"/> directive. |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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|
504 </para> |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
505 </tag-desc> |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
506 |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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diff
changeset
|
507 <tag-name id="var_proxy_protocol_port"><var>$proxy_protocol_port</var></tag-name> |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
508 <tag-desc> |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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diff
changeset
|
509 client port from the PROXY protocol header, or an empty string otherwise |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
510 (1.11.4) |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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diff
changeset
|
511 <para> |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
512 The PROXY protocol must be previously enabled by setting the |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
513 <literal>proxy_protocol</literal> parameter |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
514 in the <link id="listen"/> directive. |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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changeset
|
515 </para> |
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Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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diff
changeset
|
516 </tag-desc> |
1626f1bf164c
Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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diff
changeset
|
517 |
1742
c511b73da3a9
Documented variables in ngx_stream_core_module.
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changeset
|
518 <tag-name id="var_remote_addr"><var>$remote_addr</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
519 <tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
520 client address |
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Documented variables in ngx_stream_core_module.
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changeset
|
521 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
522 |
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Documented variables in ngx_stream_core_module.
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changeset
|
523 <tag-name id="var_remote_port"><var>$remote_port</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
524 <tag-desc> |
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Documented variables in ngx_stream_core_module.
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changeset
|
525 client port |
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Documented variables in ngx_stream_core_module.
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changeset
|
526 </tag-desc> |
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Documented variables in ngx_stream_core_module.
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diff
changeset
|
527 |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
528 <tag-name id="var_server_addr"><var>$server_addr</var></tag-name> |
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Documented variables in ngx_stream_core_module.
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changeset
|
529 <tag-desc> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
530 an address of the server which accepted a connection |
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Documented variables in ngx_stream_core_module.
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changeset
|
531 <para> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
532 Computing a value of this variable usually requires one system call. |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
533 To avoid a system call, the <link id="listen"/> directives |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
534 must specify addresses and use the <literal>bind</literal> parameter. |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
535 </para> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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diff
changeset
|
536 </tag-desc> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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parents:
1741
diff
changeset
|
537 |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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parents:
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diff
changeset
|
538 <tag-name id="var_server_port"><var>$server_port</var></tag-name> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
539 <tag-desc> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
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parents:
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diff
changeset
|
540 port of the server which accepted a connection |
c511b73da3a9
Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
541 </tag-desc> |
c511b73da3a9
Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1741
diff
changeset
|
542 |
1768
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
543 <tag-name id="var_session_time"><var>$session_time</var></tag-name> |
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
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parents:
1753
diff
changeset
|
544 <tag-desc> |
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1753
diff
changeset
|
545 session duration in seconds with a milliseconds resolution |
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
546 (1.11.4); |
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1753
diff
changeset
|
547 </tag-desc> |
061b590cbe1a
Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1753
diff
changeset
|
548 |
1771
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
549 <tag-name id="var_status"><var>$status</var></tag-name> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
550 <tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
551 session status (1.11.4), can be one of the following: |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
552 <list type="tag"> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
553 |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
554 <tag-name><literal>200</literal></tag-name> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
555 <tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
556 session completed successfully |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
557 </tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
558 |
1780
8df9ba4e56c6
Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1778
diff
changeset
|
559 <tag-name><literal>400</literal></tag-name> |
8df9ba4e56c6
Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1778
diff
changeset
|
560 <tag-desc> |
8df9ba4e56c6
Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1778
diff
changeset
|
561 client data could not be parsed, for example, |
8df9ba4e56c6
Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1778
diff
changeset
|
562 the <link id="proxy_protocol">PROXY protocol</link> header |
8df9ba4e56c6
Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1778
diff
changeset
|
563 </tag-desc> |
8df9ba4e56c6
Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1778
diff
changeset
|
564 |
1771
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
565 <tag-name><literal>403</literal></tag-name> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
566 <tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
567 access forbidden, for example, when access is limited for |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
568 <link doc="ngx_stream_access_module.xml">certain client addresses</link> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
569 </tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
570 |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
571 <tag-name><literal>500</literal></tag-name> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
572 <tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
573 internal server error |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
574 </tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
575 |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
576 <tag-name><literal>502</literal></tag-name> |
6a30f04a0208
Documented the $status variable in stream.
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parents:
1768
diff
changeset
|
577 <tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
578 bad gateway, for example, |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
579 if an upstream server could not be selected or reached. |
6a30f04a0208
Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1768
diff
changeset
|
580 </tag-desc> |
6a30f04a0208
Documented the $status variable in stream.
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581 |
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582 <tag-name><literal>503</literal></tag-name> |
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583 <tag-desc> |
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584 service unavailable, for example, when access is limited by the |
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585 <link doc="ngx_stream_limit_conn_module.xml">number of connections</link> |
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parents:
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586 </tag-desc> |
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parents:
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diff
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587 |
6a30f04a0208
Documented the $status variable in stream.
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|
588 </list> |
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parents:
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589 </tag-desc> |
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parents:
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590 |
1742
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591 <tag-name id="var_time_iso8601"><var>$time_iso8601</var></tag-name> |
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parents:
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592 <tag-desc> |
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parents:
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diff
changeset
|
593 local time in the ISO 8601 standard format |
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parents:
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594 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
595 |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
596 <tag-name id="var_time_local"><var>$time_local</var></tag-name> |
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parents:
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597 <tag-desc> |
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parents:
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598 local time in the Common Log Format |
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Yaroslav Zhuravlev <yar@nginx.com>
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599 </tag-desc> |
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|
600 |
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parents:
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|
601 </list> |
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Documented variables in ngx_stream_core_module.
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parents:
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|
602 </para> |
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parents:
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603 |
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Documented variables in ngx_stream_core_module.
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parents:
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604 </section> |
c511b73da3a9
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Yaroslav Zhuravlev <yar@nginx.com>
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605 |
1367
f1e14d87d833
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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606 </module> |