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6df89e6e4adeb986b41b7ec6b7593a887e031ce7nd<title>Apache Virtual Host documentation - Apache HTTP Server</title>
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29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd<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>
52fff662005b1866a3ff09bb6c902800c5cc6dedjerenkrantz<div class="up"><a href="../"><img title="<-" alt="<-" src="/images/left.gif" /></a></div>
7add1372edb1ee95a2c4d1314df4c7567bda7c62jim<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.5</a></div><div id="page-content"><div id="preamble"><h1>Apache Virtual Host documentation</h1>
4b5981e276e93df97c34e4da05ca5cf8bbd937dand<p><span>Available Languages: </span><a href="/de/vhosts/" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
6df89e6e4adeb986b41b7ec6b7593a887e031ce7nd<a href="/en/vhosts/" title="English"> en </a> |
6df89e6e4adeb986b41b7ec6b7593a887e031ce7nd<a href="/fr/vhosts/" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> |
3b3b7fc78d1f5bfc2769903375050048ff41ff26nd<a href="/ja/vhosts/" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
ed1d958582984a7c54a6ca859e15939a414fa733nd<a href="/ko/vhosts/" hreflang="ko" rel="alternate" title="Korean"> ko </a> |
ed1d958582984a7c54a6ca859e15939a414fa733nd<a href="/tr/vhosts/" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a> |
7add1372edb1ee95a2c4d1314df4c7567bda7c62jim<a href="/zh-cn/vhosts/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p>
7f5b59ccc63c0c0e3e678a168f09ee6a2f51f9d0nd <p>The term <cite>Virtual Host</cite> refers to the practice of
63f06dce77bb2d9b1c5aa5deeb47a1069987fd1end running more than one web site (such as
d474d8ef01ec5c2a09341cd148851ed383c3287crbowen <code>company1.example.com</code> and <code>company2.example.com</code>)
d474d8ef01ec5c2a09341cd148851ed383c3287crbowen on a single machine. Virtual hosts can be "<a href="ip-based.html">IP-based</a>", meaning that you have a
3b3b7fc78d1f5bfc2769903375050048ff41ff26nd different IP address for every web site, or "<a href="name-based.html">name-based</a>", meaning that you have
52fff662005b1866a3ff09bb6c902800c5cc6dedjerenkrantz multiple names running on each IP address. The fact that they
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd are running on the same physical server is not apparent to the
a29610af88e278144045bfa1bc63b4a1a4b5ff14trawick end user.</p>
35b1112eadc3479a2d81ea1b836aa87f21505ee9jerenkrantz <p>Apache was one of the first servers to support IP-based
52fff662005b1866a3ff09bb6c902800c5cc6dedjerenkrantz virtual hosts right out of the box. Versions 1.1 and later of
a12dd6260a66f51e25119982390def72e2db4be5nd Apache support both IP-based and name-based virtual hosts
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd (vhosts). The latter variant of virtual hosts is sometimes also
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd called <em>host-based</em> or <em>non-IP virtual hosts</em>.</p>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <p>Below is a list of documentation pages which explain all
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd details of virtual host support in Apache HTTP Server:</p>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#support">Virtual Host Support</a></li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd<li><img alt="" src="/images/down.gif" /> <a href="#directives">Configuration directives</a></li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd</ul><h3>See also</h3><ul class="seealso"><li><code class="module"><a href="/mod/mod_vhost_alias.html">mod_vhost_alias</a></code></li><li><a href="name-based.html">Name-based virtual
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26ndhosts</a></li><li><a href="ip-based.html">IP-based virtual hosts</a></li><li><a href="examples.html">Virtual host examples</a></li><li><a href="fd-limits.html">File descriptor limits</a></li><li><a href="mass.html">Mass virtual hosting</a></li><li><a href="details.html">Details of host matching</a></li></ul></div>
63581ee088272ef76aa8d053609dc1705c222deesf<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd<h2><a name="support" id="support">Virtual Host Support</a></h2>
0745f050c4e7b9eeac73c7f10a528ce5015854bcrbowen <li><a href="name-based.html">Name-based Virtual Hosts</a> (More
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd than one web site per IP address)</li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><a href="ip-based.html">IP-based Virtual Hosts</a> (An IP
4af55bbfdbff2cae0cd3195876c93ea991523d1fcolm address for each web site)</li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><a href="examples.html">Virtual Host examples for common
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><a href="fd-limits.html">File Descriptor Limits</a> (or,
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><a href="mass.html">Dynamically Configured Mass Virtual
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><a href="details.html">In-Depth Discussion of Virtual Host
38819b9bf8b10d6db4842fb5a4ede7828b409819rbowen</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd<h2><a name="directives" id="directives">Configuration directives</a></h2>
1844bb5f7939bd31f51dffaf8d8cf1c00657a681rbowen <li><code class="directive"><a href="/mod/core.html#virtualhost"><VirtualHost></a></code></li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><code class="directive"><a href="/mod/core.html#servername">ServerName</a></code></li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><code class="directive"><a href="/mod/core.html#serveralias">ServerAlias</a></code></li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <li><code class="directive"><a href="/mod/core.html#serverpath">ServerPath</a></code></li>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <p>If you are trying to debug your virtual host configuration, you
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd useful. That is, type the following command:</p>
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd <p>This command will dump out a description of how Apache parsed
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd the configuration file. Careful examination of the IP addresses and
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd server names may help uncover configuration mistakes. (See
e930328445e961ade1bd37ed7ca01c293b586400noodl the docs for the <code class="program"><a href="/programs/httpd.html">httpd</a></code> program for
29fb68cf24dbdb4985cbb4734cb6074ea4bbab26nd other command line options)</p>
ed1d958582984a7c54a6ca859e15939a414fa733nd<p><span>Available Languages: </span><a href="/de/vhosts/" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
7add1372edb1ee95a2c4d1314df4c7567bda7c62jim<a href="/en/vhosts/" title="English"> en </a> |
7add1372edb1ee95a2c4d1314df4c7567bda7c62jim<a href="/fr/vhosts/" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> |
7add1372edb1ee95a2c4d1314df4c7567bda7c62jim<a href="/ja/vhosts/" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
7f5b59ccc63c0c0e3e678a168f09ee6a2f51f9d0nd<a href="/ko/vhosts/" hreflang="ko" rel="alternate" title="Korean"> ko </a> |
7f5b59ccc63c0c0e3e678a168f09ee6a2f51f9d0nd<a href="/tr/vhosts/" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a> |
63f06dce77bb2d9b1c5aa5deeb47a1069987fd1end<a href="/zh-cn/vhosts/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p>
d474d8ef01ec5c2a09341cd148851ed383c3287crbowen<p class="apache">Copyright 2011 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
3b3b7fc78d1f5bfc2769903375050048ff41ff26nd<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>