nginx-site: xml/en/docs/http/ngx_http_limit_req

annotate xml/en/docs/http/ngx_http_limit_req_module.xml @ 2462:63a2a3dc3d63

Documented the $limit_req_status variable.

author	Yaroslav Zhuravlev <yar@nginx.com>
date	Fri, 15 Nov 2019 15:52:43 +0300
parents	384211f17f5a
children	e4332b7580bb

rev	line source
222 bfe3eff81d04 Removed redundant encoding specification. Ruslan Ermilov <ru@nginx.com> parents: 179 diff changeset	1 <?xml version="1.0"?>
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	2
580 be54c443235a Added copyright markers to documentation sources. Ruslan Ermilov <ru@nginx.com> parents: 575 diff changeset	3 <!--
be54c443235a Added copyright markers to documentation sources. Ruslan Ermilov <ru@nginx.com> parents: 575 diff changeset	4 Copyright (C) Igor Sysoev
be54c443235a Added copyright markers to documentation sources. Ruslan Ermilov <ru@nginx.com> parents: 575 diff changeset	5 Copyright (C) Nginx, Inc.
be54c443235a Added copyright markers to documentation sources. Ruslan Ermilov <ru@nginx.com> parents: 575 diff changeset	6 -->
be54c443235a Added copyright markers to documentation sources. Ruslan Ermilov <ru@nginx.com> parents: 575 diff changeset	7
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	9
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	10 <module name="Module ngx_http_limit_req_module"
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	11 link="/en/docs/http/ngx_http_limit_req_module.html"
589 764fbac1b8b4 Added document revision. Ruslan Ermilov <ru@nginx.com> parents: 580 diff changeset	12 lang="en"
2462 63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	13 rev="13">
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	14
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	15 <section id="summary">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	16
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	17 <para>
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	18 The <literal>ngx_http_limit_req_module</literal> module (0.7.21) is used
95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	19 to limit the request processing rate per a defined key,
529 d477ae38c0bd Clarified on what this module actually limits. Ruslan Ermilov <ru@nginx.com> parents: 509 diff changeset	20 in particular, the processing rate of requests coming
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	21 from a single IP address.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	22 The limitation is done using the “leaky bucket” method.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	23 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	24
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	25 </section>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	26
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	27
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	28 <section id="example" name="Example Configuration">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	29
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	30 <para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	31 <example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	32 http {
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	33 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	34
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	35 ...
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	36
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	37 server {
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	38
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	39 ...
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	40
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	41 location /search/ {
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	42 limit_req zone=one burst=5;
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	43 }
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	44 </example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	45 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	46
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	47 </section>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	48
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	49
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	50 <section id="directives" name="Directives">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	51
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	52 <directive name="limit_req">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	53 <syntax>
271 4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	54 <literal>zone</literal>=<value>name</value>
4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	55 [<literal>burst</literal>=<value>number</value>]
2291 3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	56 [<literal>nodelay</literal> \|
3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	57 <literal>delay</literal>=<value>number</value>]</syntax>
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	58 <default/>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	59 <context>http</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	60 <context>server</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	61 <context>location</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	62
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	63 <para>
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	64 Sets the shared memory zone
816 c711c50bdcf4 limit_req: clarified the description of the burst= parameter. Ruslan Ermilov <ru@nginx.com> parents: 589 diff changeset	65 and the maximum burst size of requests.
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	66 If the requests rate exceeds the rate configured for a zone,
816 c711c50bdcf4 limit_req: clarified the description of the burst= parameter. Ruslan Ermilov <ru@nginx.com> parents: 589 diff changeset	67 their processing is delayed such that requests are processed
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	68 at a defined rate.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	69 Excessive requests are delayed until their number exceeds the
816 c711c50bdcf4 limit_req: clarified the description of the burst= parameter. Ruslan Ermilov <ru@nginx.com> parents: 589 diff changeset	70 maximum burst size
2013 469aebbd94d0 Limit_req/limit_conn may return not only 503 on failure. Ruslan Ermilov <ru@nginx.com> parents: 1699 diff changeset	71 in which case the request is terminated with an
469aebbd94d0 Limit_req/limit_conn may return not only 503 on failure. Ruslan Ermilov <ru@nginx.com> parents: 1699 diff changeset	72 <link id="limit_req_status">error</link>.
816 c711c50bdcf4 limit_req: clarified the description of the burst= parameter. Ruslan Ermilov <ru@nginx.com> parents: 589 diff changeset	73 By default, the maximum burst size is equal to zero.
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	74 For example, the directives
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	75 <example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	76 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	77
351 a4fa80755eab Consistently strip initial offset in examples. Ruslan Ermilov <ru@nginx.com> parents: 288 diff changeset	78 server {
a4fa80755eab Consistently strip initial offset in examples. Ruslan Ermilov <ru@nginx.com> parents: 288 diff changeset	79 location /search/ {
a4fa80755eab Consistently strip initial offset in examples. Ruslan Ermilov <ru@nginx.com> parents: 288 diff changeset	80 limit_req zone=one burst=5;
a4fa80755eab Consistently strip initial offset in examples. Ruslan Ermilov <ru@nginx.com> parents: 288 diff changeset	81 }
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	82 </example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	83 allow not more than 1 request per second at an average,
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	84 with bursts not exceeding 5 requests.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	85 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	86
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	87 <para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	88 If delaying of excessive requests while requests are being limited is not
271 4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	89 desired, the parameter <literal>nodelay</literal> should be used:
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	90 <example>
351 a4fa80755eab Consistently strip initial offset in examples. Ruslan Ermilov <ru@nginx.com> parents: 288 diff changeset	91 limit_req zone=one burst=5 nodelay;
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	92 </example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	93 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	94
2291 3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	95 <para id="limit_req_delay">
3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	96 The <literal>delay</literal> parameter (1.15.7) specifies a limit
3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	97 at which excessive requests become delayed.
3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	98 Default value is zero, i.e. all excessive requests are delayed.
3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	99 </para>
3294470932c5 Documented the "delay" parameter for limit_req. Yaroslav Zhuravlev <yar@nginx.com> parents: 2230 diff changeset	100
1629 7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	101 <para>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	102 There could be several <literal>limit_req</literal> directives.
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	103 For example, the following configuration will limit the processing rate
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	104 of requests coming from a single IP address and, at the same time,
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	105 the request processing rate by the virtual server:
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	106 <example>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	107 limit_req_zone $binary_remote_addr zone=perip:10m rate=1r/s;
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	108 limit_req_zone $server_name zone=perserver:10m rate=10r/s;
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	109
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	110 server {
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	111 ...
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	112 limit_req zone=perip burst=5 nodelay;
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	113 limit_req zone=perserver burst=10;
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	114 }
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	115 </example>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	116
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	117 </para>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	118
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	119 <para>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	120 These directives are inherited from the previous level if and
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	121 only if there are no
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	122 <literal>limit_req</literal>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	123 directives on the current level.
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	124 </para>
7945dac7ad47 Documented multiple limit_req support and inheritance rules. Ruslan Ermilov <ru@nginx.com> parents: 1320 diff changeset	125
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	126 </directive>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	127
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	128
2400 f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	129 <directive name="limit_req_dry_run">
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	130 <syntax><literal>on</literal> \| <literal>off</literal></syntax>
2449 384211f17f5a Fixed default value for limit_req_dry_run. Yaroslav Zhuravlev <yar@nginx.com> parents: 2400 diff changeset	131 <default>off</default>
2400 f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	132 <context>http</context>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	133 <context>server</context>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	134 <context>location</context>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	135 <appeared-in>1.17.1</appeared-in>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	136
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	137 <para>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	138 Enables the dry run mode.
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	139 In this mode, requests processing rate is not limited, however,
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	140 in the shared memory zone, the number of excessive requests is accounted
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	141 as usual.
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	142 </para>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	143
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	144 </directive>
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	145
f86b5961e9b8 Documented the limit_req_dry_run directive. Yaroslav Zhuravlev <yar@nginx.com> parents: 2291 diff changeset	146
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	147 <directive name="limit_req_log_level">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	148 <syntax>
271 4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	149 <literal>info</literal> \|
4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	150 <literal>notice</literal> \|
4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	151 <literal>warn</literal> \|
4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	152 <literal>error</literal></syntax>
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	153 <default>error</default>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	154 <context>http</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	155 <context>server</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	156 <context>location</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	157 <appeared-in>0.8.18</appeared-in>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	158
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	159 <para>
529 d477ae38c0bd Clarified on what this module actually limits. Ruslan Ermilov <ru@nginx.com> parents: 509 diff changeset	160 Sets the desired logging level
d477ae38c0bd Clarified on what this module actually limits. Ruslan Ermilov <ru@nginx.com> parents: 509 diff changeset	161 for cases when the server refuses to process requests
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	162 due to rate exceeding,
529 d477ae38c0bd Clarified on what this module actually limits. Ruslan Ermilov <ru@nginx.com> parents: 509 diff changeset	163 or delays request processing.
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	164 Logging level for delays is one point less than for refusals; for example,
271 4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	165 if “<literal>limit_req_log_level notice</literal>” is specified,
4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	166 delays are logged with the <literal>info</literal> level.
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	167 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	168
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	169 </directive>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	170
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	171
870 6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	172 <directive name="limit_req_status">
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	173 <syntax><value>code</value></syntax>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	174 <default>503</default>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	175 <context>http</context>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	176 <context>server</context>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	177 <context>location</context>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	178 <appeared-in>1.3.15</appeared-in>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	179
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	180 <para>
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	181 Sets the status code to return in response to rejected requests.
870 6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	182 </para>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	183
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	184 </directive>
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	185
6087d3fa6919 The limit_req_status and limit_conn_status directives. Maxim Dounin <mdounin@mdounin.ru> parents: 816 diff changeset	186
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	187 <directive name="limit_req_zone">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	188 <syntax>
1320 f15a983cac66 Limit conn/req: key is no longer limited to only one variable. Ruslan Ermilov <ru@nginx.com> parents: 1144 diff changeset	189 <value>key</value>
271 4c6d2c614d2c Cleaned up XML tag mess: Ruslan Ermilov <ru@nginx.com> parents: 270 diff changeset	190 <literal>zone</literal>=<value>name</value>:<value>size</value>
2230 283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	191 <literal>rate</literal>=<value>rate</value>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	192 [<literal>sync</literal>]</syntax>
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	193 <default/>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	194 <context>http</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	195
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	196 <para>
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	197 Sets parameters for a shared memory zone
95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	198 that will keep states for various keys.
95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	199 In particular, the state stores the current number of excessive requests.
1320 f15a983cac66 Limit conn/req: key is no longer limited to only one variable. Ruslan Ermilov <ru@nginx.com> parents: 1144 diff changeset	200 The <value>key</value> can contain text, variables, and their combination.
f15a983cac66 Limit conn/req: key is no longer limited to only one variable. Ruslan Ermilov <ru@nginx.com> parents: 1144 diff changeset	201 Requests with an empty key value are not accounted.
f15a983cac66 Limit conn/req: key is no longer limited to only one variable. Ruslan Ermilov <ru@nginx.com> parents: 1144 diff changeset	202 <note>
f15a983cac66 Limit conn/req: key is no longer limited to only one variable. Ruslan Ermilov <ru@nginx.com> parents: 1144 diff changeset	203 Prior to version 1.7.6, a <value>key</value> could contain exactly one variable.
f15a983cac66 Limit conn/req: key is no longer limited to only one variable. Ruslan Ermilov <ru@nginx.com> parents: 1144 diff changeset	204 </note>
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	205 Usage example:
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	206 <example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	207 limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	208 </example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	209 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	210
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	211 <para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	212 Here, the states are kept in a 10 megabyte zone “one”, and an
529 d477ae38c0bd Clarified on what this module actually limits. Ruslan Ermilov <ru@nginx.com> parents: 509 diff changeset	213 average request processing rate for this zone cannot exceed
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	214 1 request per second.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	215 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	216
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	217 <para>
966 95c3c3bbf1ce Text review. Egor Nikitin <yegor.nikitin@gmail.com> parents: 870 diff changeset	218 A client IP address serves as a key.
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	219 Note that instead of <var>$remote_addr</var>, the
1699 6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	220 <var>$binary_remote_addr</var> variable is used here.
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	221 The <var>$binary_remote_addr</var> variable’s size
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	222 is always 4 bytes for IPv4 addresses or 16 bytes for IPv6 addresses.
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	223 The stored state always occupies
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	224 64 bytes on 32-bit platforms and 128 bytes on 64-bit platforms.
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	225 One megabyte zone can keep about 16 thousand 64-byte states
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state. Yaroslav Zhuravlev <yar@nginx.com> parents: 1629 diff changeset	226 or about 8 thousand 128-byte states.
2014 6e66487c5756 Limit_req: document what happens on zone exhaustion (ticket #1133) Ruslan Ermilov <ru@nginx.com> parents: 2013 diff changeset	227 </para>
6e66487c5756 Limit_req: document what happens on zone exhaustion (ticket #1133) Ruslan Ermilov <ru@nginx.com> parents: 2013 diff changeset	228
6e66487c5756 Limit_req: document what happens on zone exhaustion (ticket #1133) Ruslan Ermilov <ru@nginx.com> parents: 2013 diff changeset	229 <para>
6e66487c5756 Limit_req: document what happens on zone exhaustion (ticket #1133) Ruslan Ermilov <ru@nginx.com> parents: 2013 diff changeset	230 If the zone storage is exhausted, the least recently used state is removed.
6e66487c5756 Limit_req: document what happens on zone exhaustion (ticket #1133) Ruslan Ermilov <ru@nginx.com> parents: 2013 diff changeset	231 Even if after that a new state cannot be created, the request is terminated with
6e66487c5756 Limit_req: document what happens on zone exhaustion (ticket #1133) Ruslan Ermilov <ru@nginx.com> parents: 2013 diff changeset	232 an <link id="limit_req_status">error</link>.
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	233 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	234
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	235 <para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	236 The rate is specified in requests per second (r/s).
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	237 If a rate of less than one request per second is desired,
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	238 it is specified in request per minute (r/m).
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	239 For example, half-request per second is 30r/m.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	240 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	241
2230 283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	242 <para id="limit_req_zone_sync">
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	243 The <literal>sync</literal> parameter (1.15.3) enables
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	244 <link doc="../stream/ngx_stream_zone_sync_module.xml" id="zone_sync">synchronization</link>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	245 of the shared memory zone.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	246 <note>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	247 The <literal>sync</literal> parameter is available as part of our
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	248 <commercial_version>commercial subscription</commercial_version>.
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	249 </note>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	250 </para>
283b1e67eaa6 Updated docs for the upcoming NGINX Plus release. Ruslan Ermilov <ru@nginx.com> parents: 2014 diff changeset	251
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	252 </directive>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	253
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	254 </section>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	255
2462 63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	256
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	257 <section id="variables" name="Embedded Variables">
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	258
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	259 <para>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	260 <list type="tag">
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	261
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	262 <tag-name id="var_limit_req_status"><var>$limit_req_status</var></tag-name>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	263 <tag-desc>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	264 keeps the result of limiting the request processing rate (1.17.6):
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	265 <literal>PASSED</literal>,
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	266 <literal>DELAYED</literal>,
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	267 <literal>REJECTED</literal>,
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	268 <literal>DELAYED_DRY_RUN</literal>, or
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	269 <literal>REJECTED_DRY_RUN</literal>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	270 </tag-desc>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	271
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	272 </list>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	273 </para>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	274
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	275 </section>
63a2a3dc3d63 Documented the $limit_req_status variable. Yaroslav Zhuravlev <yar@nginx.com> parents: 2449 diff changeset	276
179 8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module. Ruslan Ermilov <ru@nginx.com> parents: diff changeset	277 </module>

Mercurial > hg > nginx-site

annotate xml/en/docs/http/ngx_http_limit_req_module.xml @ 2462:63a2a3dc3d63