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7 --><title>Terms Used to Describe Modules - Apache HTTP Server</title><link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /><link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /><link href="../images/favicon.ico" rel="shortcut icon" /></head><body id="manual-page"><div id="page-header"><p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p><p class="apache">Apache HTTP Server Version 2.0</p><img alt="" src="../images/feather.gif" /></div><div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div><div id="path"><a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs-project/">Documentation</a> > <a href="../">Version 2.0</a></div><div id="page-content"><div id="preamble"><h1>Terms Used to Describe Modules</h1>
8 <p>This document describes the terms that are used to describe
9 each Apache <a href="./">module</a>.</p>
10 </div><div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#Description">Description</a></li><li><img alt="" src="../images/down.gif" /> <a href="#Status">Status</a></li><li><img alt="" src="../images/down.gif" /> <a href="#SourceFile">Source File</a></li><li><img alt="" src="../images/down.gif" /> <a href="#ModuleIdentifier">Module Identifier</a></li><li><img alt="" src="../images/down.gif" /> <a href="#Compatibility">Compatibility</a></li></ul></div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="Description" id="Description">Description</a></h2>
12 <p>A brief description of the purpose of the module.</p>
13 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="Status" id="Status">Status</a></h2>
15 <p>This indicates how tightly bound into the Apache Web server
16 the module is; in other words, you may need to recompile the
17 server in order to gain access to the module and its
18 functionality. Possible values for this attribute are:</p>
23 <dd>A module with status "MPM" is a <a href="../mpm.html">Multi-Processing Module</a>. Unlike the
24 other types of modules, Apache must have one and only one MPM
25 in use at any time. This type of module is responsible for
26 basic request handling and dispatching.</dd>
30 <dd>A module labeled as having "Base" status is compiled and
31 loaded into the server by default, and is therefore normally
32 available unless you have taken steps to remove the module
33 from your configuration.</dd>
37 <dd>A module with "Extension" status is not normally compiled
38 and loaded into the server. To enable the module and its
39 functionality, you may need to change the server build
40 configuration files and re-compile Apache.</dd>
44 <dd>"Experimental" status indicates that the module is
45 available as part of the Apache kit, but you are on your own
46 if you try to use it. The module is being documented for
47 completeness, and is not necessarily supported.</dd>
51 <dd>Modules which are not included with the base Apache
52 distribution ("third-party modules") may use the "External"
53 status. We are not responsible for, nor do we support such
56 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="SourceFile" id="SourceFile">Source File</a></h2>
58 <p>This quite simply lists the name of the source file which
59 contains the code for the module. This is also the name used by
60 the <code class="directive"><a href="../mod/core.html#ifmodule"><IfModule></a></code>
62 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="ModuleIdentifier" id="ModuleIdentifier">Module Identifier</a></h2>
64 <p>This is a string which identifies the module for use in the
65 <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> directive when
66 dynamically loading modules. In particular, it is the name of
67 the external variable of type module in the source file.</p>
68 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div><div class="section"><h2><a name="Compatibility" id="Compatibility">Compatibility</a></h2>
70 <p>If the module was not part of the original Apache version 2
71 distribution, the version in which it was introduced should be
72 listed here. In addition, if the module is limited to
73 particular platforms, the details will be listed here.</p>
74 </div></div><div id="footer"><p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p><p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div></body></html>