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<title>Nine Nines: ranch(7)</title>
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<h1 class="lined-header"><span>ranch(7)</span></h1>
<h2 id="_name">Name</h2>
<p>ranch - Socket acceptor pool for TCP protocols</p>
<h2 id="_description">Description</h2>
<p>Ranch is a socket acceptor pool for TCP protocols.</p>
<p>Ranch manages listeners which are a set of processes that accept and manage connections. The connection's transport and protocol modules are configured per listener. Listeners can be inspected and reconfigured without interruptions in service.</p>
<h2 id="_modules">Modules</h2>
<p>Functions:</p>
<ul><li><a href="../ranch">ranch(3)</a> - Socket acceptor pool
</li>
<li><a href="../ranch_proxy_header">ranch_proxy_header(3)</a> - PROXY protocol
</li>
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<p>Transports:</p>
<ul><li><a href="../ranch_ssl">ranch_ssl(3)</a> - SSL transport
</li>
<li><a href="../ranch_tcp">ranch_tcp(3)</a> - TCP transport
</li>
</ul>
<p>Behaviors:</p>
<ul><li><a href="../ranch_protocol">ranch_protocol(3)</a> - Protocol modules
</li>
<li><a href="../ranch_transport">ranch_transport(3)</a> - Transport modules
</li>
</ul>
<h2 id="_dependencies">Dependencies</h2>
<ul><li>ssl - Secure communication over sockets
</li>
</ul>
<p>All these applications must be started before the <code>ranch</code> application. To start Ranch and all dependencies at once:</p>
<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.9
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt>{<font color="#FF6600">ok</font>, <font color="#990000">_</font>} <font color="#990000">=</font> <b><font color="#000000">application:ensure_all_started</font></b>(<font color="#FF6600">ranch</font>)<font color="#990000">.</font></tt></pre>
</div></div>
<h2 id="_environment">Environment</h2>
<p>The <code>ranch</code> application defines one application environment configuration parameter.</p>
<dl><dt>profile (false)</dt>
<dd><p>When enabled, Ranch will start <code>eprof</code> profiling automatically.</p>
<p>You can use the <code>ranch_app:profile_output/0</code> function to stop profiling and output the results to the files <em>procs.profile</em> and <em>total.profile</em>. Do not use in production.</p>
</dd>
</dl>
<h2 id="_see_also">See also</h2>
<p>ssl(7)</p>
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<h3>
Ranch
1.7
Function Reference
</h3>
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<li><a href="/docs/en/ranch/1.7/guide">User Guide</a></li>
<li><a href="/docs/en/ranch/1.7/manual">Function Reference</a></li>
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<h4>Version select</h4>
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<li><a href="/docs/en/ranch/2.1/manual">2.1</a></li>
<li><a href="/docs/en/ranch/2.0/manual">2.0</a></li>
<li><a href="/docs/en/ranch/1.8/manual">1.8</a></li>
<li><a href="/docs/en/ranch/1.7/manual">1.7</a></li>
<li><a href="/docs/en/ranch/1.6/manual">1.6</a></li>
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