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<title>Open a tunnel through a remote server</title>
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<h1 class="refname">ssh2_tunnel</h1>
<p class="verinfo">(PECL ssh2 >= 0.9.0)</p><p class="refpurpose"><span class="refname">ssh2_tunnel</span> — <span class="dc-title">Open a tunnel through a remote server</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ssh2-tunnel-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>ssh2_tunnel</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$session</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$host</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$port</code></span>
)</div>
<p class="para rdfs-comment">
Open a socket stream to an arbitrary host/port by way of the currently
connected SSH server.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ssh2-tunnel-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">session</code></em></span>
<dd>
<p class="para">
An SSH connection link identifier, obtained from a call to
<span class="function"><a href="function.ssh2-connect.html" class="function">ssh2_connect()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">host</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">port</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ssh2-tunnel-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ssh2-tunnel-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4631">
<p><strong>Example #1 Opening a tunnel to an arbitrary host</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$connection </span><span style="color: #007700">= </span><span style="color: #0000BB">ssh2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'shell.example.com'</span><span style="color: #007700">, </span><span style="color: #0000BB">22</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ssh2_auth_pubkey_file</span><span style="color: #007700">(</span><span style="color: #0000BB">$connection</span><span style="color: #007700">, </span><span style="color: #DD0000">'username'</span><span style="color: #007700">, </span><span style="color: #DD0000">'id_dsa.pub'</span><span style="color: #007700">, </span><span style="color: #DD0000">'id_dsa'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$tunnel </span><span style="color: #007700">= </span><span style="color: #0000BB">ssh2_tunnel</span><span style="color: #007700">(</span><span style="color: #0000BB">$connection</span><span style="color: #007700">, </span><span style="color: #DD0000">'10.0.0.101'</span><span style="color: #007700">, </span><span style="color: #0000BB">12345</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ssh2-tunnel-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.ssh2-connect.html" class="function" rel="rdfs-seeAlso">ssh2_connect()</a> - Connect to an SSH server</span></li>
<li class="member"> <span class="function"><a href="function.fsockopen.html" class="function" rel="rdfs-seeAlso">fsockopen()</a> - Open Internet or Unix domain socket connection</span></li>
</ul>
</p>
</div>
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