Mercurial > hg > nginx-site
view xml/en/docs/http/ngx_http_sub_module.xml @ 1011:2ad2f30efdf2
Documented the "fastcgi_" and "proxy_cache_revalidate" directives.
author | Vladimir Homutov <vl@nginx.com> |
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date | Tue, 19 Nov 2013 17:08:49 +0400 |
parents | 95c3c3bbf1ce |
children | 80aba0439f7d |
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<?xml version="1.0"?> <!-- Copyright (C) Igor Sysoev Copyright (C) Nginx, Inc. --> <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> <module name="Module ngx_http_sub_module" link="/en/docs/http/ngx_http_sub_module.html" lang="en" rev="2"> <section id="summary"> <para> The <literal>ngx_http_sub_module</literal> module is a filter that modifies a response by replacing one specified string by another. </para> <para> This module is not built by default, it should be enabled with the <literal>--with-http_sub_module</literal> configuration parameter. </para> </section> <section id="example" name="Example Configuration"> <para> <example> location / { sub_filter </head> '</head><script language="javascript" src="$script"></script>'; sub_filter_once on; } </example> </para> </section> <section id="directives" name="Directives"> <directive name="sub_filter"> <syntax><value>string</value> <value>replacement</value></syntax> <default/> <context>http</context> <context>server</context> <context>location</context> <para> Sets a string to replace and a replacement string. The string to replace is matched ignoring the case. The replacement string can contain variables. </para> </directive> <directive name="sub_filter_last_modified"> <syntax><literal>on</literal> | <literal>off</literal></syntax> <default>off</default> <context>http</context> <context>server</context> <context>location</context> <appeared-in>1.5.1</appeared-in> <para> Allows preserving the <header>Last-Modified</header> header field from the original response during replacement to facilitate response caching. </para> <para> By default, the header field is removed as contents of the response are modified during processing. </para> </directive> <directive name="sub_filter_once"> <syntax><literal>on</literal> | <literal>off</literal></syntax> <default>on</default> <context>http</context> <context>server</context> <context>location</context> <para> Indicates whether to look for a string to replace once or several times. </para> </directive> <directive name="sub_filter_types"> <syntax><value>mime-type</value> ...</syntax> <default>text/html</default> <context>http</context> <context>server</context> <context>location</context> <para> Enables string replacement in responses with the specified MIME types in addition to “<literal>text/html</literal>”. The special value “<literal>*</literal>” matches any MIME type (0.8.29). </para> </directive> </section> </module>