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<title>mod_proxy_connect - Apache HTTP Server Version 2.5</title>
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<div id="preamble"><h1>Apache Module mod_proxy_connect</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mod_proxy_connect.html" title="English"> en </a> |
<a href="../fr/mod/mod_proxy_connect.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> extension for
<code>CONNECT</code> request handling</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>proxy_connect_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_proxy_connect.c</td></tr></table>
<h3>Summary</h3>
<p>This module <em>requires</em> the service of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>. It provides support for the <code>CONNECT</code>
HTTP method. This method is mainly used to tunnel SSL requests
through proxy servers.</p>
<p>Thus, in order to get the ability of handling <code>CONNECT</code>
requests, <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> and
<code class="module"><a href="../mod/mod_proxy_connect.html">mod_proxy_connect</a></code> have to be present in the server.</p>
<p>CONNECT is also used when the server needs to send an HTTPS request
through a forward proxy. In this case the server acts as a CONNECT client.
This functionality is part of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> and
<code class="module"><a href="../mod/mod_proxy_connect.html">mod_proxy_connect</a></code> is not needed in this case.</p>
<div class="warning"><h3>Warning</h3>
<p>Do not enable proxying until you have <a href="mod_proxy.html#access">secured your server</a>. Open proxy
servers are dangerous both to your network and to the Internet at
large.</p>
</div>
</div>
<div id="quickview"><h3>Topics</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#notes">Request notes</a></li>
</ul><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#allowconnect">AllowCONNECT</a></li>
</ul>
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_proxy_connect">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_proxy_connect">Report a bug</a></li></ul><h3>See also</h3>
<ul class="seealso">
<li><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code></li>
<li><a href="#comments_section">Comments</a></li></ul></div>
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<div class="section">
<h2><a name="notes" id="notes">Request notes</a></h2>
<p><code class="module"><a href="../mod/mod_proxy_connect.html">mod_proxy_connect</a></code> creates the following request notes for
logging using the <code>%{VARNAME}n</code> format in
<code class="directive"><a href="../mod/mod_log_config.html#logformat">LogFormat</a></code> or
<code class="directive"><a href="../mod/core.html#errorlogformat">ErrorLogFormat</a></code>:
</p>
<dl>
<dt>proxy-source-port</dt>
<dd>The local port used for the connection to the backend server.</dd>
</dl>
<p>CONNECT method requests are controlled by the
<code class="directive"><a href="../mod/mod_proxy.html#proxy">Proxy</a></code> block
as any other HTTP request going through.
SSL connections through a proxy may be filtered explicitly
by specifying the target host and port, for instance:
</p>
<pre class="prettyprint lang-config"><Proxy www.example.com:443>
Require ip 192.168.0.0/16
</Proxy></pre>
</div>
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<div class="directive-section"><h2><a name="AllowCONNECT" id="AllowCONNECT">AllowCONNECT</a> <a name="allowconnect" id="allowconnect">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Ports that are allowed to <code>CONNECT</code> through the
proxy</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AllowCONNECT <var>port</var>[-<var>port</var>]
[<var>port</var>[-<var>port</var>]] ...</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AllowCONNECT 443 563</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_proxy_connect</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Moved from <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> in Apache 2.3.5.
Port ranges available since Apache 2.3.7.</td></tr>
</table>
<p>The <code class="directive">AllowCONNECT</code> directive specifies a list
of port numbers or ranges to which the proxy <code>CONNECT</code> method
may connect. Today's browsers use this method when a <code>https</code>
connection is requested and proxy tunneling over HTTP is in effect.</p>
<p>By default, only the default https port (<code>443</code>) and the
default snews port (<code>563</code>) are enabled. Use the
<code class="directive">AllowCONNECT</code> directive to override this default and
allow connections to the listed ports only.</p>
</div>
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