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annotate xml/en/docs/stream/ngx_stream_core_module.xml @ 2725:6d082b470918

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Documented "listen fastopen=" parameter in stream.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 25 May 2021 12:53:00 +0100
parents 00afc7c4d4df
children 4add6ae1296f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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="34">
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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 reuseport;
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62 proxy_timeout 20s;
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63 proxy_pass dns;
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64 }
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65
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66 server {
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67 listen [::1]:12345;
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68 proxy_pass unix:/tmp/stream.socket;
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69 }
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70 }
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71 </example>
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72 </para>
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73
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74 </section>
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75
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76
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77 <section id="directives" name="Directives">
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78
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79 <directive name="listen">
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80 <syntax>
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81 <value>address</value>:<value>port</value>
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82 [<literal>ssl</literal>]
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83 [<literal>udp</literal>]
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84 [<literal>proxy_protocol</literal>]
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85 [<literal>fastopen</literal>=<value>number</value>]
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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 </para>
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118
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119 <para id="listen_port_range">
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120 Port ranges (1.15.10) are specified with the
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121 first and last port separated by a hyphen:
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122 <example>
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123 listen 127.0.0.1:12345-12399;
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124 listen 12345-12399;
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125 </example>
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126 </para>
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127
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128 <para>
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129 The <literal>ssl</literal> parameter allows specifying that all
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130 connections accepted on this port should work in SSL mode.
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131 </para>
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132
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133 <para id="udp">
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134 The <literal>udp</literal> parameter configures a listening socket
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135 for working with datagrams (1.9.13).
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136 In order to handle packets from the same address and port in the same session,
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137 the <link id="reuseport"><literal>reuseport</literal></link> parameter
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138 should also be specified.
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139 </para>
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140
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141 <para id="proxy_protocol">
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diff changeset
142 The <literal>proxy_protocol</literal> parameter (1.11.4)
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diff changeset
143 allows specifying that all connections accepted on this port should use the
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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diff changeset
144 <link url="http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt">PROXY
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
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parents: 1771
diff changeset
145 protocol</link>.
2125
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parents: 1963
diff changeset
146 <note>
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parents: 1963
diff changeset
147 The PROXY protocol version 2 is supported since version 1.13.11.
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diff changeset
148 </note>
1778
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149 </para>
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diff changeset
150
1662
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diff changeset
151 <para>
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152 The <literal>listen</literal> directive
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153 can have several additional parameters specific to socket-related system calls.
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154 <list type="tag">
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155
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156 <tag-name>
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diff changeset
157 <literal>fastopen</literal>=<value>number</value>
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158 </tag-name>
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diff changeset
159 <tag-desc>
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parents: 2724
diff changeset
160 enables
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diff changeset
161 “<link url="http://en.wikipedia.org/wiki/TCP_Fast_Open">TCP Fast Open</link>”
6d082b470918 Documented "listen fastopen=" parameter in stream.
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parents: 2724
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162 for the listening socket (1.21.0) and
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parents: 2724
diff changeset
163 <link url="https://tools.ietf.org/html/rfc7413#section-5.1">limits</link>
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164 the maximum length for the queue of connections that have not yet completed
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165 the three-way handshake.
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parents: 2724
diff changeset
166 <note>
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167 Do not enable this feature unless the server can handle
6d082b470918 Documented "listen fastopen=" parameter in stream.
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parents: 2724
diff changeset
168 receiving the
6d082b470918 Documented "listen fastopen=" parameter in stream.
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diff changeset
169 <link url="https://tools.ietf.org/html/rfc7413#section-6.1">
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parents: 2724
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170 same SYN packet with data</link> more than once.
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171 </note>
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parents: 2724
diff changeset
172 </tag-desc>
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parents: 2724
diff changeset
173
6d082b470918 Documented "listen fastopen=" parameter in stream.
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parents: 2724
diff changeset
174 <tag-name>
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diff changeset
175 <literal>backlog</literal>=<value>number</value>
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diff changeset
176 </tag-name>
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diff changeset
177 <tag-desc>
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diff changeset
178 sets the <literal>backlog</literal> parameter in the
b628e042a15e Documented "listen backlog=" in mail and stream.
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diff changeset
179 <c-func>listen</c-func> call that limits
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diff changeset
180 the maximum length for the queue of pending connections (1.9.2).
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diff changeset
181 By default,
1911
f024ac0ec5c7 Apple rebranded Mac OS X to macOS.
Sergey Kandaurov <pluknet@nginx.com>
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diff changeset
182 <literal>backlog</literal> is set to -1 on FreeBSD, DragonFly BSD, and macOS,
1502
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diff changeset
183 and to 511 on other platforms.
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diff changeset
184 </tag-desc>
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diff changeset
185
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diff changeset
186 <tag-name>
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diff changeset
187 <literal>rcvbuf</literal>=<value>size</value>
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diff changeset
188 </tag-name>
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diff changeset
189 <tag-desc>
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diff changeset
190 sets the receive buffer size
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parents: 1911
diff changeset
191 (the <c-def>SO_RCVBUF</c-def> option) for the listening socket (1.11.13).
351cefd5ff9c Documented rcvbuf and sndbuf for mail and stream listen directive.
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diff changeset
192 </tag-desc>
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diff changeset
193
351cefd5ff9c Documented rcvbuf and sndbuf for mail and stream listen directive.
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diff changeset
194 <tag-name>
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diff changeset
195 <literal>sndbuf</literal>=<value>size</value>
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diff changeset
196 </tag-name>
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diff changeset
197 <tag-desc>
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diff changeset
198 sets the send buffer size
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parents: 1911
diff changeset
199 (the <c-def>SO_SNDBUF</c-def> option) for the listening socket (1.11.13).
351cefd5ff9c Documented rcvbuf and sndbuf for mail and stream listen directive.
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diff changeset
200 </tag-desc>
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diff changeset
201
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diff changeset
202 <tag-name>
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203 <literal>bind</literal>
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204 </tag-name>
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205 <tag-desc>
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206 this parameter instructs to make a separate <c-func>bind</c-func>
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207 call for a given address:port pair.
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208 The fact is that if there are several <literal>listen</literal> directives with
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diff changeset
209 the same port but different addresses, and one of the
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diff changeset
210 <literal>listen</literal> directives listens on all addresses
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diff changeset
211 for the given port (<literal>*:</literal><value>port</value>), nginx will
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diff changeset
212 <c-func>bind</c-func> only to <literal>*:</literal><value>port</value>.
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diff changeset
213 It should be noted that the <c-func>getsockname</c-func> system call will be
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diff changeset
214 made in this case to determine the address that accepted the connection.
2724
00afc7c4d4df Documented listen options that imply "bind".
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215 If the <literal>backlog</literal>,
00afc7c4d4df Documented listen options that imply "bind".
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diff changeset
216 <literal>rcvbuf</literal>, <literal>sndbuf</literal>,
00afc7c4d4df Documented listen options that imply "bind".
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diff changeset
217 <literal>ipv6only</literal>, <literal>reuseport</literal>,
1367
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diff changeset
218 or <literal>so_keepalive</literal> parameters
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diff changeset
219 are used then for a given
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diff changeset
220 <value>address</value>:<value>port</value> pair
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diff changeset
221 a separate <c-func>bind</c-func> call will always be made.
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222 </tag-desc>
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223
1450
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224 <tag-name>
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225 <literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>
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226 </tag-name>
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227 <tag-desc>
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228 this parameter determines
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diff changeset
229 (via the <c-def>IPV6_V6ONLY</c-def> socket option)
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parents:
diff changeset
230 whether an IPv6 socket listening on a wildcard address <literal>[::]</literal>
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diff changeset
231 will accept only IPv6 connections or both IPv6 and IPv4 connections.
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diff changeset
232 This parameter is turned on by default.
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diff changeset
233 It can only be set once on start.
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234 </tag-desc>
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235
1507
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236 <tag-name id="reuseport">
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diff changeset
237 <literal>reuseport</literal>
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238 </tag-name>
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diff changeset
239 <tag-desc>
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parents: 1462
diff changeset
240 this parameter (1.9.1) instructs to create an individual listening socket
9faa78768252 Documented the "reuseport" option of the "listen" directive.
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parents: 1462
diff changeset
241 for each worker process
2199
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2179
diff changeset
242 (using the
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2179
diff changeset
243 <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: 2179
diff changeset
244 or <c-def>SO_REUSEPORT_LB</c-def> on FreeBSD 12+), allowing a kernel
1496
99ce48c8cce3 Corrected the "reuseport" description of the "listen" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1493
diff changeset
245 to distribute incoming connections between worker processes.
2199
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
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parents: 2179
diff changeset
246 This currently works only on Linux 3.9+, DragonFly BSD,
1d60e4b4ed64 Documented SO_REUSEPORT_LB for listen reuseport.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2179
diff changeset
247 and FreeBSD 12+ (1.15.1).
1493
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parents: 1462
diff changeset
248 <note>
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diff changeset
249 Inappropriate use of this option may have its security
9faa78768252 Documented the "reuseport" option of the "listen" directive.
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parents: 1462
diff changeset
250 <link url="http://man7.org/linux/man-pages/man7/socket.7.html">implications</link>.
9faa78768252 Documented the "reuseport" option of the "listen" directive.
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parents: 1462
diff changeset
251 </note>
9faa78768252 Documented the "reuseport" option of the "listen" directive.
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252 </tag-desc>
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253
9faa78768252 Documented the "reuseport" option of the "listen" directive.
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parents: 1462
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254 <tag-name>
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255 <literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]
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256 </tag-name>
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257 <tag-desc>
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258 this parameter configures the “TCP keepalive” behavior
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259 for the listening socket.
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260 If this parameter is omitted then the operating system’s settings will be
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diff changeset
261 in effect for the socket.
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diff changeset
262 If it is set to the value “<literal>on</literal>”, the
f1e14d87d833 Updated commercial docs for the upcoming release.
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diff changeset
263 <c-def>SO_KEEPALIVE</c-def> option is turned on for the socket.
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diff changeset
264 If it is set to the value “<literal>off</literal>”, the
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diff changeset
265 <c-def>SO_KEEPALIVE</c-def> option is turned off for the socket.
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266 Some operating systems support setting of TCP keepalive parameters on
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diff changeset
267 a per-socket basis using the <c-def>TCP_KEEPIDLE</c-def>,
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268 <c-def>TCP_KEEPINTVL</c-def>, and <c-def>TCP_KEEPCNT</c-def> socket options.
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269 On such systems (currently, Linux 2.4+, NetBSD 5+, and
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270 FreeBSD 9.0-STABLE), they can be configured
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271 using the <value>keepidle</value>, <value>keepintvl</value>, and
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272 <value>keepcnt</value> parameters.
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273 One or two parameters may be omitted, in which case the system default setting
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274 for the corresponding socket option will be in effect.
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275 For example,
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276 <example>so_keepalive=30m::10</example>
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277 will set the idle timeout (<c-def>TCP_KEEPIDLE</c-def>) to 30 minutes,
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278 leave the probe interval (<c-def>TCP_KEEPINTVL</c-def>) at its system default,
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279 and set the probes count (<c-def>TCP_KEEPCNT</c-def>) to 10 probes.
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280 </tag-desc>
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281
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282 </list>
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283 </para>
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284
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285 <para>
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286 Different servers must listen on different
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287 <value>address</value>:<value>port</value> pairs.
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288 </para>
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289
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290 </directive>
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291
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292
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293 <directive name="preread_buffer_size">
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294 <syntax><value>size</value></syntax>
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295 <default>16k</default>
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296 <context>stream</context>
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297 <context>server</context>
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298 <appeared-in>1.11.5</appeared-in>
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299
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300 <para>
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301 Specifies a <value>size</value> of the
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302 <link doc="stream_processing.xml" id="preread_phase">preread</link> buffer.
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303 </para>
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304
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305 </directive>
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306
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307
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308 <directive name="preread_timeout">
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309 <syntax><value>timeout</value></syntax>
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310 <default>30s</default>
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311 <context>stream</context>
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312 <context>server</context>
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313 <appeared-in>1.11.5</appeared-in>
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314
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315 <para>
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316 Specifies a <value>timeout</value> of the
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317 <link doc="stream_processing.xml" id="preread_phase">preread</link> phase.
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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="proxy_protocol_timeout">
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324 <syntax><value>timeout</value></syntax>
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325 <default>30s</default>
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326 <context>stream</context>
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327 <context>server</context>
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328 <appeared-in>1.11.4</appeared-in>
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329
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330 <para>
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331 Specifies a <value>timeout</value> for
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332 reading the PROXY protocol header to complete.
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333 If no entire header is transmitted within this time,
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334 the connection is closed.
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335 </para>
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336
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337 </directive>
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338
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339
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340 <directive name="resolver">
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341 <syntax>
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342 <value>address</value> ...
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343 [<literal>valid</literal>=<value>time</value>]
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344 [<literal>ipv6</literal>=<literal>on</literal>|<literal>off</literal>]
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345 [<literal>status_zone</literal>=<value>zone</value>]</syntax>
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346 <default/>
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347 <context>stream</context>
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348 <context>server</context>
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349 <appeared-in>1.11.3</appeared-in>
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350
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351 <para>
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352 Configures name servers used to resolve names of upstream servers
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353 into addresses, for example:
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354 <example>
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355 resolver 127.0.0.1 [::1]:5353;
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356 </example>
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357 The address can be specified as a domain name or IP address,
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358 with an optional port.
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359 If port is not specified, the port 53 is used.
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360 Name servers are queried in a round-robin fashion.
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361 </para>
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362
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363 <para id="resolver_ipv6">
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364 By default, nginx will look up both IPv4 and IPv6 addresses while resolving.
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365 If looking up of IPv6 addresses is not desired,
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366 the <literal>ipv6=off</literal> parameter can be specified.
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367 </para>
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368
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369 <para id="resolver_valid">
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370 By default, nginx caches answers using the TTL value of a response.
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371 The optional <literal>valid</literal> parameter allows overriding it:
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372 <example>
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373 resolver 127.0.0.1 [::1]:5353 valid=30s;
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374 </example>
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375 <note>
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376 To prevent DNS spoofing, it is recommended
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377 configuring DNS servers in a properly secured trusted local network.
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378 </note>
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379 </para>
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380
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381 <para id="resolver_status_zone">
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382 The optional <literal>status_zone</literal> parameter (1.17.1)
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383 enables
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384 <link doc="../http/ngx_http_api_module.xml" id="resolvers_">collection</link>
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385 of DNS server statistics of requests and responses
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386 in the specified <value>zone</value>.
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387 The parameter is available as part of our
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388 <commercial_version>commercial subscription</commercial_version>.
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389 </para>
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390
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391 <para>
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392 <note>
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393 Before version 1.11.3, this directive was available as part of our
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394 <commercial_version>commercial subscription</commercial_version>.
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395 </note>
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396 </para>
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397
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398 </directive>
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399
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400
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401 <directive name="resolver_timeout">
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diff changeset
402 <syntax><value>time</value></syntax>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
403 <default>30s</default>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
404 <context>stream</context>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
405 <context>server</context>
1753
256774f145ac Documented stream resolver and resolver_timeout for opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1742
diff changeset
406 <appeared-in>1.11.3</appeared-in>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
407
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
408 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
409 Sets a timeout for name resolution, for example:
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
410 <example>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
411 resolver_timeout 5s;
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
412 </example>
1462
e69e4dbcc760 Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
413 <note>
1753
256774f145ac Documented stream resolver and resolver_timeout for opensource.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1742
diff changeset
414 Before version 1.11.3, this directive was available as part of our
1462
e69e4dbcc760 Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
415 <commercial_version>commercial subscription</commercial_version>.
e69e4dbcc760 Documented OSS stream modules.
Vladimir Homutov <vl@nginx.com>
parents: 1450
diff changeset
416 </note>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
417 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
418
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
419 </directive>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
420
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1405
diff changeset
421
1367
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
422 <directive name="server">
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
423 <syntax block="yes"/>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
424 <default/>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
425 <context>stream</context>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
426
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
427 <para>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
428 Sets the configuration for a server.
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
429 </para>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
430
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
431 </directive>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
432
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
433
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
434 <directive name="stream">
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
435 <syntax block="yes"/>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
436 <default/>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
437 <context>main</context>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
438
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
439 <para>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
440 Provides the configuration file context in which the stream server directives
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
441 are specified.
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
442 </para>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
443
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
444 </directive>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
445
1546
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
446
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
447 <directive name="tcp_nodelay">
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
448 <syntax><literal>on</literal> | <literal>off</literal></syntax>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
449 <default>on</default>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
450 <context>stream</context>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
451 <context>server</context>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
452 <appeared-in>1.9.4</appeared-in>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
453
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
454 <para>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
455 Enables or disables the use of the <c-def>TCP_NODELAY</c-def> option.
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
456 The option is enabled for both client and proxied server connections.
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
457 </para>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
458
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
459 </directive>
8ea1813272bb Documented the tcp_nodelay directive for stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1528
diff changeset
460
1741
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
461
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
462 <directive name="variables_hash_bucket_size">
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
463 <syntax><value>size</value></syntax>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
464 <default>64</default>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
465 <context>stream</context>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
466 <appeared-in>1.11.2</appeared-in>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
467
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
468 <para>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
469 Sets the bucket size for the variables hash table.
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
470 The details of setting up hash tables are provided in a separate
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
471 <link doc="../hash.xml">document</link>.
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
472 </para>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
473
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
474 </directive>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
475
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
476
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
477 <directive name="variables_hash_max_size">
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
478 <syntax><value>size</value></syntax>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
479 <default>1024</default>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
480 <context>stream</context>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
481 <appeared-in>1.11.2</appeared-in>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
482
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
483 <para>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
484 Sets the maximum <value>size</value> of the variables hash table.
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
485 The details of setting up hash tables are provided in a separate
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
486 <link doc="../hash.xml">document</link>.
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
487 </para>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
488
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
489 </directive>
a99ebc3af3e4 Added variables_hash_bucket_size and variables_max_size in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1686
diff changeset
490
1367
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
491 </section>
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
492
1742
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
493
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
494 <section id="variables" name="Embedded Variables">
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
495
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
496 <para>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
497 The <literal>ngx_stream_core_module</literal> module supports variables
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
498 since 1.11.2.
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
499 <list type="tag">
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
500
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
501 <tag-name id="var_binary_remote_addr"><var>$binary_remote_addr</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
502 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
503 client address in a binary form, value’s length is always 4 bytes
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
504 for IPv4 addresses or 16 bytes for IPv6 addresses
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
505 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
506
1768
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
507 <tag-name id="var_bytes_received"><var>$bytes_received</var></tag-name>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
508 <tag-desc>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
509 number of bytes received from a client (1.11.4)
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
510 </tag-desc>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
511
1742
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
512 <tag-name id="var_bytes_sent"><var>$bytes_sent</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
513 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
514 number of bytes sent to a client
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
515 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
516
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
517 <tag-name id="var_connection"><var>$connection</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
518 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
519 connection serial number
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
520 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
521
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
522 <tag-name id="var_hostname"><var>$hostname</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
523 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
524 host name
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
525 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
526
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
527 <tag-name id="var_msec"><var>$msec</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
528 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
529 current time in seconds with the milliseconds resolution
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
530 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
531
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
532 <tag-name id="var_nginx_version"><var>$nginx_version</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
533 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
534 nginx version
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
535 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
536
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
537 <tag-name id="var_pid"><var>$pid</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
538 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
539 PID of the worker process
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
540 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
541
1768
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
542 <tag-name id="var_protocol"><var>$protocol</var></tag-name>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
543 <tag-desc>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
544 protocol used to communicate with the client:
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
545 <literal>TCP</literal> or <literal>UDP</literal> (1.11.4)
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
546 </tag-desc>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
547
1778
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
548 <tag-name id="var_proxy_protocol_addr"><var>$proxy_protocol_addr</var></tag-name>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
549 <tag-desc>
2457
3896055c397e Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2452
diff changeset
550 client address from the PROXY protocol header (1.11.4)
1778
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
551 <para>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
552 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>
parents: 1771
diff changeset
553 <literal>proxy_protocol</literal> parameter
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
554 in the <link id="listen"/> directive.
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
555 </para>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
556 </tag-desc>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
557
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
558 <tag-name id="var_proxy_protocol_port"><var>$proxy_protocol_port</var></tag-name>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
559 <tag-desc>
2457
3896055c397e Fixed descriptions of $proxy_protocol_addr and $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2452
diff changeset
560 client port from the PROXY protocol header (1.11.4)
1778
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
561 <para>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
562 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>
parents: 1771
diff changeset
563 <literal>proxy_protocol</literal> parameter
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
564 in the <link id="listen"/> directive.
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
565 </para>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
566 </tag-desc>
1626f1bf164c Documented listen proxy_protocol, $proxy_protocol_addr, $proxy_protocol_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1771
diff changeset
567
2458
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
568 <tag-name id="var_proxy_protocol_server_addr"><var>$proxy_protocol_server_addr</var></tag-name>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
569 <tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
570 server address from the PROXY protocol header (1.17.6)
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
571 <para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
572 The PROXY protocol must be previously enabled by setting the
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
573 <literal>proxy_protocol</literal> parameter
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
574 in the <link id="listen"/> directive.
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
575 </para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
576 </tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
577
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
578 <tag-name id="var_proxy_protocol_server_port"><var>$proxy_protocol_server_port</var></tag-name>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
579 <tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
580 server port from the PROXY protocol header (1.17.6)
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
581 <para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
582 The PROXY protocol must be previously enabled by setting the
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
583 <literal>proxy_protocol</literal> parameter
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
584 in the <link id="listen"/> directive.
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
585 </para>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
586 </tag-desc>
9cd5883ac546 Documented $proxy_protocol_server_addr, $proxy_protocol_server_port.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2457
diff changeset
587
1742
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
588 <tag-name id="var_remote_addr"><var>$remote_addr</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
589 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
590 client address
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
591 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
592
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
593 <tag-name id="var_remote_port"><var>$remote_port</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
594 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
595 client port
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
596 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
597
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
598 <tag-name id="var_server_addr"><var>$server_addr</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
599 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
600 an address of the server which accepted a connection
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
601 <para>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
602 Computing a value of this variable usually requires one system call.
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
603 To avoid a system call, the <link id="listen"/> directives
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
604 must specify addresses and use the <literal>bind</literal> parameter.
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
605 </para>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
606 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
607
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
608 <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: 1741
diff changeset
609 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
610 port of the server which accepted a connection
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
611 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
612
1768
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
613 <tag-name id="var_session_time"><var>$session_time</var></tag-name>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
614 <tag-desc>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
615 session duration in seconds with a milliseconds resolution
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
616 (1.11.4);
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
617 </tag-desc>
061b590cbe1a Documented $bytes_received, $session_time, $protocol in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1753
diff changeset
618
1771
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
619 <tag-name id="var_status"><var>$status</var></tag-name>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
620 <tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
621 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
622 <list type="tag">
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
623
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
624 <tag-name><literal>200</literal></tag-name>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
625 <tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
626 session completed successfully
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
627 </tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
628
1780
8df9ba4e56c6 Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1778
diff changeset
629 <tag-name><literal>400</literal></tag-name>
8df9ba4e56c6 Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1778
diff changeset
630 <tag-desc>
8df9ba4e56c6 Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1778
diff changeset
631 client data could not be parsed, for example,
8df9ba4e56c6 Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1778
diff changeset
632 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
633 </tag-desc>
8df9ba4e56c6 Documented 400 error in stream $status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1778
diff changeset
634
1771
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
635 <tag-name><literal>403</literal></tag-name>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
636 <tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
637 access forbidden, for example, when access is limited for
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
638 <link doc="ngx_stream_access_module.xml">certain client addresses</link>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
639 </tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
640
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
641 <tag-name><literal>500</literal></tag-name>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
642 <tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
643 internal server error
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
644 </tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
645
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
646 <tag-name><literal>502</literal></tag-name>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
647 <tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
648 bad gateway, for example,
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
649 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
650 </tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
651
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
652 <tag-name><literal>503</literal></tag-name>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
653 <tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
654 service unavailable, for example, when access is limited by the
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
655 <link doc="ngx_stream_limit_conn_module.xml">number of connections</link>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
656 </tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
657
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
658 </list>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
659 </tag-desc>
6a30f04a0208 Documented the $status variable in stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1768
diff changeset
660
1742
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
661 <tag-name id="var_time_iso8601"><var>$time_iso8601</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
662 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
663 local time in the ISO 8601 standard format
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
664 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
665
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
666 <tag-name id="var_time_local"><var>$time_local</var></tag-name>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
667 <tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
668 local time in the Common Log Format
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
669 </tag-desc>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
670
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
671 </list>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
672 </para>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
673
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
674 </section>
c511b73da3a9 Documented variables in ngx_stream_core_module.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1741
diff changeset
675
1367
f1e14d87d833 Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
676 </module>