Mercurial > hg > nginx-site
comparison xml/en/docs/http/ngx_http_memcached_module.xml @ 1696:d855e7cc3b2f
Added the "transparent" parameter of proxy_bind and friends.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 28 Apr 2016 17:27:44 +0300 |
parents | 9c98c4498f08 |
children | be371be7a5c8 |
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1695:aa95174efa80 | 1696:d855e7cc3b2f |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
9 | 9 |
10 <module name="Module ngx_http_memcached_module" | 10 <module name="Module ngx_http_memcached_module" |
11 link="/en/docs/http/ngx_http_memcached_module.html" | 11 link="/en/docs/http/ngx_http_memcached_module.html" |
12 lang="en" | 12 lang="en" |
13 rev="12"> | 13 rev="13"> |
14 | 14 |
15 <section id="summary"> | 15 <section id="summary"> |
16 | 16 |
17 <para> | 17 <para> |
18 The <literal>ngx_http_memcached_module</literal> module is used to obtain | 18 The <literal>ngx_http_memcached_module</literal> module is used to obtain |
47 | 47 |
48 | 48 |
49 <section id="directives" name="Directives"> | 49 <section id="directives" name="Directives"> |
50 | 50 |
51 <directive name="memcached_bind"> | 51 <directive name="memcached_bind"> |
52 <syntax><value>address</value> | <literal>off</literal></syntax> | 52 <syntax><value>address</value> [transparent] | <literal>off</literal></syntax> |
53 <default/> | 53 <default/> |
54 <context>http</context> | 54 <context>http</context> |
55 <context>server</context> | 55 <context>server</context> |
56 <context>location</context> | 56 <context>location</context> |
57 <appeared-in>0.8.22</appeared-in> | 57 <appeared-in>0.8.22</appeared-in> |
62 Parameter value can contain variables (1.3.12). | 62 Parameter value can contain variables (1.3.12). |
63 The special value <literal>off</literal> (1.3.12) cancels the effect | 63 The special value <literal>off</literal> (1.3.12) cancels the effect |
64 of the <literal>memcached_bind</literal> directive | 64 of the <literal>memcached_bind</literal> directive |
65 inherited from the previous configuration level, which allows the | 65 inherited from the previous configuration level, which allows the |
66 system to auto-assign the local IP address. | 66 system to auto-assign the local IP address. |
67 </para> | |
68 | |
69 <para id="memcached_bind_transparent"> | |
70 The <literal>transparent</literal> parameter (1.11.0) allows | |
71 outgoing connections to a memcached server originate | |
72 from a non-local IP address, | |
73 for example, from a real IP address of a client: | |
74 <example> | |
75 memcached_bind $remote_addr transparent; | |
76 </example> | |
77 In order for this parameter to work, | |
78 it is necessary to run nginx worker processes with the | |
79 <link doc="../ngx_core_module.xml" id="user">superuser</link> privileges | |
80 and configure kernel routing table | |
81 to intercept network traffic from the memcached server. | |
67 </para> | 82 </para> |
68 | 83 |
69 </directive> | 84 </directive> |
70 | 85 |
71 | 86 |