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8 <title>mod_request - Apache HTTP Server</title>
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18 <p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p>
19 <p class="apache">Apache HTTP Server Version 2.5</p>
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23 <a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.5</a> &gt; <a href="./">Modules</a></div>
24 <div id="page-content">
25 <div id="preamble"><h1>Apache Module mod_request</h1>
26 <div class="toplang">
27 <p><span>Available Languages: </span><a href="../en/mod/mod_request.html" title="English">&nbsp;en&nbsp;</a> |
28 <a href="../tr/mod/mod_request.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
29 </div>
30 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Filters to handle and make available HTTP request bodies</td></tr>
31 <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
32 <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>request_module</td></tr>
33 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_request.c</td></tr>
34 <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.3 and later</td></tr></table>
35 </div>
36 <div id="quickview"><h3 class="directives">Directives</h3>
37 <ul id="toc">
38 <li><img alt="" src="../images/down.gif" /> <a href="#keptbodysize">KeptBodySize</a></li>
39 </ul>
40 <ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
41
42 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
43 <div class="directive-section"><h2><a name="KeptBodySize" id="KeptBodySize">KeptBodySize</a> <a name="keptbodysize" id="keptbodysize">Directive</a></h2>
44 <table class="directive">
45 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Keep the request body instead of discarding it up to
46 the specified maximum size, for potential use by filters such as
47 mod_include.</td></tr>
48 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>KeptBodySize <var>maximum size in bytes</var></code></td></tr>
49 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>KeptBodySize 0</code></td></tr>
50 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory</td></tr>
51 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
52 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_request</td></tr>
53 </table>
54     <p>Under normal circumstances, request handlers such as the
55     default handler for static files will discard the request body
56     when it is not needed by the request handler. As a result,
57     filters such as mod_include are limited to making <code>GET</code> requests
58     only when including other URLs as subrequests, even if the
59     original request was a <code>POST</code> request, as the discarded
60     request body is no longer available once filter processing is
61     taking place.</p>
62
63     <p>When this directive has a value greater than zero, request
64     handlers that would otherwise discard request bodies will
65     instead set the request body aside for use by filters up to
66     the maximum size specified. In the case of the mod_include
67     filter, an attempt to <code>POST</code> a request to the static
68     shtml file will cause any subrequests to be <code>POST</code>
69     requests, instead of <code>GET</code> requests as before.</p>
70
71     <p>This feature makes it possible to break up complex web pages and
72     web applications into small individual components, and combine
73     the components and the surrounding web page structure together
74     using <code class="module"><a href="../mod/mod_include.html">mod_include</a></code>. The components can take the
75     form of CGI programs, scripted languages, or URLs reverse proxied
76     into the URL space from another server using
77     <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>.</p>
78
79     <p><strong>Note:</strong> Each request set aside has to be set
80     aside in temporary RAM until the request is complete. As a result,
81     care should be taken to ensure sufficient RAM is available on the
82     server to support the intended load. Use of this directive
83     should be limited to where needed on targeted parts of your
84     URL space, and with the lowest possible value that is still big
85     enough to hold a request body.</p>
86
87     <p>If the request size sent by the client exceeds the maximum
88     size allocated by this directive, the server will return
89     <code>413 Request Entity Too Large</code>.</p>
90
91
92 <h3>See also</h3>
93 <ul>
94 <li><a href="mod_include.html">mod_include</a> documentation</li>
95 <li><a href="mod_auth_form.html">mod_auth_form</a> documentation</li>
96 </ul>
97 </div>
98 </div>
99 <div class="bottomlang">
100 <p><span>Available Languages: </span><a href="../en/mod/mod_request.html" title="English">&nbsp;en&nbsp;</a> |
101 <a href="../tr/mod/mod_request.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
102 </div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&amp;A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div>
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