Mercurial > hg > nginx-site

annotate xml/ru/docs/http/ngx_http_limit_conn_module.xml @ 2956:a85e4d126bc7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated docs for the upcoming NGINX Plus release.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 02 May 2023 11:39:21 +0100
parents eeed494bba51
children 9eadb98ec770
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
222
bfe3eff81d04 Removed redundant encoding specification.
Ruslan Ermilov <ru@nginx.com>
parents: 207
diff changeset
1 <?xml version="1.0"?>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
9
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
10 <module name="Модуль ngx_http_limit_conn_module"
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
11 link="/ru/docs/http/ngx_http_limit_conn_module.html"
589
764fbac1b8b4 Added document revision.
Ruslan Ermilov <ru@nginx.com>
parents: 580
diff changeset
12 lang="ru"
2593
eeed494bba51 Unified phrases about configuration levels and inheritance.
Ruslan Ermilov <ru@nginx.com>
parents: 2495
diff changeset
13 rev="14">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
14
110
40eec261c2a6 Added proper support for anonymous sections, notably for the summary.
Ruslan Ermilov <ru@nginx.com>
parents: 102
diff changeset
15 <section id="summary">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
16
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
17 <para>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
18 Модуль <literal>ngx_http_limit_conn_module</literal> позволяет ограничить
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 870
diff changeset
19 число соединений по заданному ключу, в частности, число соединений с одного
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 870
diff changeset
20 IP-адреса.
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
21 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
22
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
23 <para>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 870
diff changeset
24 Учитываются не все соединения, а лишь те, в которых имеются
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
25 запросы, обрабатываемые сервером, и заголовок запроса уже прочитан.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
26 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
27
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
28 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
29
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
30
365
b082f02cb7a3 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
31 <section id="example" name="Пример конфигурации">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
32
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
33 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
34 <example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
35 http {
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
36 limit_conn_zone $binary_remote_addr zone=addr:10m;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
37
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
38 ...
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
39
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
40 server {
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
41
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
42 ...
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
43
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
44 location /download/ {
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
45 limit_conn addr 1;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
46 }
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
47 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
48 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
49
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
50 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
51
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
52
365
b082f02cb7a3 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
53 <section id="directives" name="Директивы">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
54
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
55 <directive name="limit_conn">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
56 <syntax><value>зона</value> <value>число</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 76
diff changeset
57 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
58 <context>http</context>
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
59 <context>server</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
60 <context>location</context>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
61
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
62 <para>
575
ebcb351d9eb3 Consistently using the term "shared memory zone".
Ruslan Ermilov <ru@nginx.com>
parents: 390
diff changeset
63 Задаёт зону разделяемой памяти и максимально допустимое число соединений
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
64 для одного значения ключа.
2013
469aebbd94d0 Limit_req/limit_conn may return not only 503 on failure.
Ruslan Ermilov <ru@nginx.com>
parents: 1699
diff changeset
65 При превышении этого числа в ответ на запрос сервер вернёт
469aebbd94d0 Limit_req/limit_conn may return not only 503 on failure.
Ruslan Ermilov <ru@nginx.com>
parents: 1699
diff changeset
66 <link id="limit_conn_status">ошибку</link>.
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
67 Например, директивы
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
68 <example>
351
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
69 limit_conn_zone $binary_remote_addr zone=addr:10m;
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
70
351
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
71 server {
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
72 location /download/ {
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
73 limit_conn addr 1;
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
74 }
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
75 </example>
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
76 разрешают одновременно обрабатывать не более одного соединения с одного
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
77 IP-адреса.
1347
7d028fc94593 Added a note about SPDY connections in limit_conn.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1320
diff changeset
78 <note>
2956
a85e4d126bc7 Updated docs for the upcoming NGINX Plus release.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2593
diff changeset
79 В HTTP/2 и HTTP/3
a85e4d126bc7 Updated docs for the upcoming NGINX Plus release.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2593
diff changeset
80 каждый параллельный запрос считается отдельным соединением.
1347
7d028fc94593 Added a note about SPDY connections in limit_conn.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1320
diff changeset
81 </note>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
82 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
83
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
84 <para>
1628
d846df055f03 Disambiguated a sentence about multiple limit_conn limits.
Ruslan Ermilov <ru@nginx.com>
parents: 1623
diff changeset
85 Директив <literal>limit_conn</literal> может быть несколько.
207
2df68271c898 Provided an example of using several "limit_conn" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 180
diff changeset
86 Например, следующая конфигурация ограничивает число соединений с сервером
2df68271c898 Provided an example of using several "limit_conn" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 180
diff changeset
87 с одного клиентского IP-адреса и в то же время ограничивает общее число
1623
a3509ca11ab4 The term "virtual server" is more common in nginx.
Ruslan Ermilov <ru@nginx.com>
parents: 1566
diff changeset
88 соединений с виртуальным сервером:
207
2df68271c898 Provided an example of using several "limit_conn" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 180
diff changeset
89 <example>
351
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
90 limit_conn_zone $binary_remote_addr zone=perip:10m;
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
91 limit_conn_zone $server_name zone=perserver:10m;
207
2df68271c898 Provided an example of using several "limit_conn" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 180
diff changeset
92
351
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
93 server {
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
94 ...
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
95 limit_conn perip 10;
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
96 limit_conn perserver 100;
a4fa80755eab Consistently strip initial offset in examples.
Ruslan Ermilov <ru@nginx.com>
parents: 271
diff changeset
97 }
207
2df68271c898 Provided an example of using several "limit_conn" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 180
diff changeset
98 </example>
2df68271c898 Provided an example of using several "limit_conn" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 180
diff changeset
99
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
100 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
101
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
102 <para>
2593
eeed494bba51 Unified phrases about configuration levels and inheritance.
Ruslan Ermilov <ru@nginx.com>
parents: 2495
diff changeset
103 Директивы наследуются с предыдущего уровня конфигурации при условии, что
eeed494bba51 Unified phrases about configuration levels and inheritance.
Ruslan Ermilov <ru@nginx.com>
parents: 2495
diff changeset
104 на данном уровне не описаны свои директивы <literal>limit_conn</literal>.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
105 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
106
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
107 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
108
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
109
2464
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
110 <directive name="limit_conn_dry_run">
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
111 <syntax><literal>on</literal> | <literal>off</literal></syntax>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
112 <default>off</default>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
113 <context>http</context>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
114 <context>server</context>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
115 <context>location</context>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
116 <appeared-in>1.17.6</appeared-in>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
117
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
118 <para>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
119 Включает режим пробного запуска.
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
120 В данном режиме число соединений не ограничивается, однако
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
121 в зоне разделяемой памяти текущее число избыточных соединений учитывается
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
122 как обычно.
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
123 </para>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
124
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
125 </directive>
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
126
5d7fd7d9a2b6 Documented limit_conn_dry_run for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2013
diff changeset
127
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
128 <directive name="limit_conn_log_level">
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
129 <syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
130 <literal>info</literal> |
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
131 <literal>notice</literal> |
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
132 <literal>warn</literal> |
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
133 <literal>error</literal></syntax>
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 99
diff changeset
134 <default>error</default>
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
135 <context>http</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
136 <context>server</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
137 <context>location</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
138 <appeared-in>0.8.18</appeared-in>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
139
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
140 <para>
380
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
141 Задаёт желаемый уровень записи в лог случаев ограничения
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
142 числа соединений.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
143 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
144
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
145 </directive>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
146
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
147
870
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
148 <directive name="limit_conn_status">
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
149 <syntax><value>код</value></syntax>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
150 <default>503</default>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
151 <context>http</context>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
152 <context>server</context>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
153 <context>location</context>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
154 <appeared-in>1.3.15</appeared-in>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
155
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
156 <para>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
157 Позволяет переопределить код ответа, используемый при отклонении запросов.
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
158 </para>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
159
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
160 </directive>
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
161
6087d3fa6919 The limit_req_status and limit_conn_status directives.
Maxim Dounin <mdounin@mdounin.ru>
parents: 589
diff changeset
162
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
163 <directive name="limit_conn_zone">
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
164 <syntax>
1320
f15a983cac66 Limit conn/req: key is no longer limited to only one variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1312
diff changeset
165 <value>ключ</value>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
166 <literal>zone</literal>=<value>название</value>:<value>размер</value></syntax>
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
167 <default/>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
168 <context>http</context>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
169
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
170 <para>
575
ebcb351d9eb3 Consistently using the term "shared memory zone".
Ruslan Ermilov <ru@nginx.com>
parents: 390
diff changeset
171 Задаёт параметры зоны разделяемой памяти, которая хранит состояние
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
172 для разных значений ключа.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 870
diff changeset
173 Состояние в частности содержит текущее число соединений.
1320
f15a983cac66 Limit conn/req: key is no longer limited to only one variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1312
diff changeset
174 В качестве ключа можно использовать текст, переменные и их комбинации.
f15a983cac66 Limit conn/req: key is no longer limited to only one variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1312
diff changeset
175 Запросы с пустым значением ключа не учитываются.
f15a983cac66 Limit conn/req: key is no longer limited to only one variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1312
diff changeset
176 <note>
f15a983cac66 Limit conn/req: key is no longer limited to only one variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1312
diff changeset
177 До версии 1.7.6 в качестве ключа можно было задать ровно одну переменную.
f15a983cac66 Limit conn/req: key is no longer limited to only one variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1312
diff changeset
178 </note>
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
179 Пример использования:
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
180 <example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
181 limit_conn_zone $binary_remote_addr zone=addr:10m;
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
182 </example>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
183 Здесь в качестве ключа используется IP-адрес клиента.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
184 Обратите внимание, что вместо переменной <var>$remote_addr</var>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
185 использована переменная <var>$binary_remote_addr</var>.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
186 Длина значения переменной <var>$remote_addr</var> может колебаться
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
187 от 7 до 15 байт, при этом размер хранимого состояния составляет
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 870
diff changeset
188 либо 32, либо 64 байта на 32-битных платформах и всегда 64
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
189 байта на 64-битных.
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
190 Длина значения переменной <var>$binary_remote_addr</var> всегда
1699
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1628
diff changeset
191 равна 4 байтам для IPv4-адресов или 16 байтам для IPv6-адресов.
6c96a644b0b3 Corrected description of $binary_remote_addr and saved state.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1628
diff changeset
192 При этом размер состояния всегда равен 32 или 64 байтам
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
193 на 32-битных платформах и 64 байтам на 64-битных.
367
f4033b9bc4ec - Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents: 365
diff changeset
194 В зоне размером 1 мегабайт может разместиться около 32 тысяч состояний
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 870
diff changeset
195 размером 32 байта или 16 тысяч состояний размером 64 байта.
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
196 При переполнении зоны в ответ на последующие запросы сервер будет
2013
469aebbd94d0 Limit_req/limit_conn may return not only 503 on failure.
Ruslan Ermilov <ru@nginx.com>
parents: 1699
diff changeset
197 возвращать
469aebbd94d0 Limit_req/limit_conn may return not only 503 on failure.
Ruslan Ermilov <ru@nginx.com>
parents: 1699
diff changeset
198 <link id="limit_conn_status">ошибку</link>.
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
199 </para>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
200
2495
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
201 <para>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
202 <note>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
203 Дополнительно, как часть
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
204 <commercial_version>коммерческой подписки</commercial_version>,
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
205 <link doc="ngx_http_api_module.xml" id="http_limit_conns_">информацию о состоянии</link>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
206 каждой такой зоны разделяемой памяти можно
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
207 <link doc="ngx_http_api_module.xml" id="getHttpLimitConnZone">получить</link> или
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
208 <link doc="ngx_http_api_module.xml" id="deleteHttpLimitConnZoneStat">сбросить</link>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
209 при помощи <link doc="ngx_http_api_module.xml">API</link>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
210 начиная с версии 1.17.7.
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
211 </note>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
212 </para>
e4332b7580bb Mentioned API in limit_conn_zone and limit_req_zone.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2465
diff changeset
213
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
214 </directive>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
215
365
b082f02cb7a3 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
216
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
217 <directive name="limit_zone">
270
945d7299c26c Spaces are now preserved here, so removed all the hacks.
Ruslan Ermilov <ru@nginx.com>
parents: 227
diff changeset
218 <syntax>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
219 <value>название</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
220 <value>$переменная</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
221 <value>размер</value></syntax>
179
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
222 <default/>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
223 <context>http</context>
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
224
8cc01e2179a9 - Reflected recent changes made to ngx_http_limit_conn_module.
Ruslan Ermilov <ru@nginx.com>
parents: 110
diff changeset
225 <para>
1312
91a4eee45eb7 Limit_conn: the limit_zone directive removed from the code.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 966
diff changeset
226 Эта директива устарела в версии 1.1.8
91a4eee45eb7 Limit_conn: the limit_zone directive removed from the code.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 966
diff changeset
227 и была удалена в версии 1.7.6.
91a4eee45eb7 Limit_conn: the limit_zone directive removed from the code.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 966
diff changeset
228 Вместо неё следует
180
9e7d0c9c7eaa Mentioned the compatible "limit_conn_zone" directive syntax for the
Ruslan Ermilov <ru@nginx.com>
parents: 179
diff changeset
229 использовать аналогичную директиву <link id="limit_conn_zone"/>
9e7d0c9c7eaa Mentioned the compatible "limit_conn_zone" directive syntax for the
Ruslan Ermilov <ru@nginx.com>
parents: 179
diff changeset
230 с изменённым синтаксисом:
9e7d0c9c7eaa Mentioned the compatible "limit_conn_zone" directive syntax for the
Ruslan Ermilov <ru@nginx.com>
parents: 179
diff changeset
231 <note>
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
232 <literal>limit_conn_zone</literal>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
233 <value>$переменная</value>
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
234 <literal>zone</literal>=<value>название</value>:<value>размер</value>;
180
9e7d0c9c7eaa Mentioned the compatible "limit_conn_zone" directive syntax for the
Ruslan Ermilov <ru@nginx.com>
parents: 179
diff changeset
235 </note>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
236 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
237
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
238 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
239
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
240 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
241
2465
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
242
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
243 <section id="variables" name="Встроенные переменные">
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
244
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
245 <para>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
246 <list type="tag">
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
247
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
248 <tag-name id="var_limit_conn_status"><var>$limit_conn_status</var></tag-name>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
249 <tag-desc>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
250 хранит результат ограничения числа соединений (1.17.6):
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
251 <literal>PASSED</literal>,
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
252 <literal>REJECTED</literal> или
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
253 <literal>REJECTED_DRY_RUN</literal>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
254 </tag-desc>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
255
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
256 </list>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
257 </para>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
258
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
259 </section>
07c4f2c66c97 Documented $limit_conn_status for http and stream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2464
diff changeset
260
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
261 </module>