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<title>Terms Used to Describe Modules</title>

<summary>

<p>This document describes the terms that are used to describe

each Apache <a href="./">module</a>.</p>

</summary>

<section id="Description"><title>Description</title>

<p>A brief description of the purpose of the module.</p>

</section>

<section id="Status"><title>Status</title>

<p>This indicates how tightly bound into the Apache Web server

the module is; in other words, you may need to recompile the

server in order to gain access to the module and its

functionality. Possible values for this attribute are:</p>

<dl>

<dt>MPM</dt>

<dd>A module with status "MPM" is a <a

href="/mpm.html">Multi-Processing Module</a>. Unlike the

other types of modules, Apache must have one and only one MPM

in use at any time. This type of module is responsible for

basic request handling and dispatching.</dd>

<dt>Base</dt>

<dd>A module labeled as having "Base" status is compiled and

loaded into the server by default, and is therefore normally

available unless you have taken steps to remove the module

from your configuration.</dd>

<dt>Extension</dt>

<dd>A module with "Extension" status is not normally compiled

and loaded into the server. To enable the module and its

functionality, you may need to change the server build

configuration files and re-compile Apache.</dd>

<dt>Experimental</dt>

<dd>"Experimental" status indicates that the module is

available as part of the Apache kit, but you are on your own

if you try to use it. The module is being documented for

completeness, and is not necessarily supported.</dd>

<dt>External</dt>

<dd>Modules which are not included with the base Apache

distribution ("third-party modules") may use the "External"

status. We are not responsible for, nor do we support such

modules.</dd>

</dl>

</section>

<section id="SourceFile"><title>Source File</title>

<p>This quite simply lists the name of the source file which

contains the code for the module. This is also the name used by

the <directive module="core" type="section">IfModule</directive>

directive.</p>

</section>

<section id="ModuleIdentifier"><title>Module Identifier</title>

<p>This is a string which identifies the module for use in the

<directive module="mod_so">LoadModule</directive> directive when

dynamically loading modules. In particular, it is the name of

the external variable of type module in the source file.</p>

</section>

<section id="Compatibility"><title>Compatibility</title>

<p>If the module was not part of the original Apache version 2

distribution, the version in which it was introduced should be

listed here. In addition, if the module is limited to

particular platforms, the details will be listed here.</p>

</section>

</manualpage>