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Corrected description of $binary_remote_addr and saved state.
author Yaroslav Zhuravlev <yar@nginx.com>
date Thu, 05 May 2016 14:43:40 +0300
parents 53ae63cb4cfa
children ab56dcd73af2
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1698:2052ffb3529a 1699:6c96a644b0b3
8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
9 9
10 <module name="Module ngx_stream_limit_conn_module" 10 <module name="Module ngx_stream_limit_conn_module"
11 link="/en/docs/stream/ngx_stream_limit_conn_module.html" 11 link="/en/docs/stream/ngx_stream_limit_conn_module.html"
12 lang="en" 12 lang="en"
13 rev="1"> 13 rev="2">
14 14
15 <section id="summary"> 15 <section id="summary">
16 16
17 <para> 17 <para>
18 The <literal>ngx_stream_limit_conn_module</literal> module (1.9.3) is used to 18 The <literal>ngx_stream_limit_conn_module</literal> module (1.9.3) is used to
123 limit_conn_zone $binary_remote_addr zone=addr:10m; 123 limit_conn_zone $binary_remote_addr zone=addr:10m;
124 </example> 124 </example>
125 Here, the key is a client IP address set by the 125 Here, the key is a client IP address set by the
126 <literal>$binary_remote_addr</literal> key. 126 <literal>$binary_remote_addr</literal> key.
127 The size of <literal>$binary_remote_addr</literal> 127 The size of <literal>$binary_remote_addr</literal>
128 is 4 bytes. 128 is 4 bytes for IPv4 addresses or 16 bytes for IPv6 addresses.
129 The stored state always occupies 32 bytes 129 The stored state always occupies 32 or 64 bytes
130 on 32-bit platforms and 64 bytes on 64-bit platforms. 130 on 32-bit platforms and 64 bytes on 64-bit platforms.
131 One megabyte zone can keep about 32 thousand 32-byte states 131 One megabyte zone can keep about 32 thousand 32-byte states
132 or about 16 thousand 64-byte states. 132 or about 16 thousand 64-byte states.
133 If the zone storage is exhausted, the server will close the connection. 133 If the zone storage is exhausted, the server will close the connection.
134 </para> 134 </para>