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<title>Upgrading to 2.1 from 2.0 - Apache HTTP Server</title>
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<p class="apache">Apache HTTP Server Version 2.1</p>
<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 2.1</a></div><div id="page-content"><div id="preamble"><h1>Upgrading to 2.1 from 2.0</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="/de/upgrading.html" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
<a href="/pt-br/upgrading.html" hreflang="pt-br" rel="alternate" title="Portugu�s (Brasil)"> pt-br </a> |
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<p>In order to assist folks upgrading, we maintain a document
describing information critical to existing Apache users. These
are intended to be brief notes, and you should be able to find
<p>This document describes only the changes from 2.0 to 2.2. If you
are upgrading from version 1.3, you should also consult the <a href="http://httpd.apache.org/docs-2.0/upgrading.html">1.3 to 2.0
upgrading document.</a></p>
</div>
<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#compile-time">Compile-Time Configuration Changes</a></li>
<li><img alt="" src="/images/down.gif" /> <a href="#run-time">Run-Time Configuration Changes</a></li>
</ul><h3>See also</h3><ul class="seealso"><li><a href="new_features_2_2.html">Overview of new features in
Apache 2.2</a></li></ul></div>
<div class="section">
<h2><a name="compile-time" id="compile-time">Compile-Time Configuration Changes</a></h2>
<div class="section">
<h2><a name="run-time" id="run-time">Run-Time Configuration Changes</a></h2>
<ul>
Apache HTTP Server has been greatly simplified by removing all
but the most essential configuration settings. A set of example
configuration settings for more advanced features is present in
server.</li>
<code>startssl</code> is no longer available. To enable ssl
relevant <code class="module"><a href="/mod/mod_ssl.html">mod_ssl</a></code> directives and then use
<code>apachectl start</code> to start the server. An example
configuration to activate <code class="module"><a href="/mod/mod_ssl.html">mod_ssl</a></code> has been included
<li>The default setting of <code class="directive"><a href="/mod/core.html#usecanonicalname">UseCanonicalName</a></code> is now
<code>Off</code>. If you did not have this directive in your
config file, you can add <code>UseCanonicalName On</code> to
retain the old behavior.</li>
<li>The module <code class="module"><a href="/mod/mod_userdir.html">mod_userdir</a></code> will no longer act
on requests unless a <code class="directive"><a href="/mod/mod_userdir.html#userdir">UserDir</a></code> directive specifying a
directory name is present in the config file. To restore the
old default behavior, place the directive <code>UserDir
public_html</code> in your config file.</li>
</ul>
<div class="section">
<h2><a name="misc" id="misc">Misc Changes</a></h2>
<div class="section">
<h2><a name="third-party" id="third-party">Third Party Modules</a></h2>
</div></div>
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<p><span>Available Languages: </span><a href="/de/upgrading.html" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
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<p class="apache">Copyright 1995-2005 The Apache Software Foundation or its licensors, as applicable.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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