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2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<title>Apache Virtual Host documentation - Apache HTTP Server</title>
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2bd55c0d474884fe40c4a081efcbd82bc1c913a8rbowen<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>
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<div class="up"><a href="../"><img title="<-" alt="<-" src="/images/left.gif" /></a></div>
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<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>Apache Virtual Host documentation</h1>
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<p><span>Available Languages: </span><a href="/de/vhosts/" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
10ca15b877e1d7f36b5d4ccd0a38e984cd635da4rbowen<a href="/en/vhosts/" title="English"> en </a> |
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<a href="/ja/vhosts/" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<a href="/ko/vhosts/" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <p>The term <cite>Virtual Host</cite> refers to the practice of
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess running more than one web site (such as
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <code>www.company1.com</code> and <code>www.company2.com</code>)
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen on a single machine. Virtual hosts can be "<a href="ip-based.html">IP-based</a>", meaning that you have a
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen different IP address for every web site, or "<a href="name-based.html">name-based</a>", meaning that you have
2bd55c0d474884fe40c4a081efcbd82bc1c913a8rbowen multiple names running on each IP address. The fact that they
2bd55c0d474884fe40c4a081efcbd82bc1c913a8rbowen are running on the same physical server is not apparent to the
10ca15b877e1d7f36b5d4ccd0a38e984cd635da4rbowen end user.</p>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <p>Apache was one of the first servers to support IP-based
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen virtual hosts right out of the box. Versions 1.1 and later of
48160cfe05c7614376dc7b1f57f5493eb73f06dbrbowen Apache support both IP-based and name-based virtual hosts
48160cfe05c7614376dc7b1f57f5493eb73f06dbrbowen (vhosts). The latter variant of virtual hosts is sometimes also
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen called <em>host-based</em> or <em>non-IP virtual hosts</em>.</p>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <p>Below is a list of documentation pages which explain all
10ca15b877e1d7f36b5d4ccd0a38e984cd635da4rbowen details of virtual host support in Apache version 1.3 and
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#support">Virtual Host Support</a></li>
2eaf662cbc81e823e8d9aeb8d54e69e63032493erbowen<li><img alt="" src="/images/down.gif" /> <a href="#directives">Configuration directives</a></li>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess</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
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kesshosts</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>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess<h2><a name="support" id="support">Virtual Host Support</a></h2>
48160cfe05c7614376dc7b1f57f5493eb73f06dbrbowen <li><a href="name-based.html">Name-based Virtual Hosts</a> (More
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess than one web site per IP address)</li>
48160cfe05c7614376dc7b1f57f5493eb73f06dbrbowen <li><a href="ip-based.html">IP-based Virtual Hosts</a> (An IP
48160cfe05c7614376dc7b1f57f5493eb73f06dbrbowen address for each web site)</li>
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <li><a href="examples.html">Virtual Host examples for common
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <li><a href="fd-limits.html">File Descriptor Limits</a> (or,
48160cfe05c7614376dc7b1f57f5493eb73f06dbrbowen <li><a href="mass.html">Dynamically Configured Mass Virtual
fefb8b844b6286bfc41bb2e0c4cc003b8e7d4ff2kess <li><a href="details.html">In-Depth Discussion of Virtual Host
<li><code class="directive"><a href="/mod/core.html#virtualhost"><VirtualHost></a></code></li>
<li><code class="directive"><a href="/mod/core.html#namevirtualhost">NameVirtualHost</a></code></li>
<p><span>Available Languages: </span><a href="/de/vhosts/" hreflang="de" rel="alternate" title="Deutsch"> de </a> |
<p class="apache">Copyright 1999-2004 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>
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