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  <section id="put-varnish-on-port-80">
<h1>Put Varnish on port 80<a class="headerlink" href="#put-varnish-on-port-80" title="Link to this heading">¶</a></h1>
<p>Until now we’ve been running with Varnish on a high port which is great for
testing purposes. Let’s now put Varnish on the default HTTP port 80.</p>
<p>First we stop varnish: <code class="docutils literal notranslate"><span class="pre">service</span> <span class="pre">varnish</span> <span class="pre">stop</span></code></p>
<p>Now we need to edit the configuration file that starts Varnish.</p>
<section id="debian-ubuntu-legacy">
<h2>Debian/Ubuntu (legacy)<a class="headerlink" href="#debian-ubuntu-legacy" title="Link to this heading">¶</a></h2>
<p>On older Debian/Ubuntu this is <cite>/etc/default/varnish</cite>. In the file you’ll find
some text that looks like this:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">DAEMON_OPTS</span><span class="o">=</span><span class="s2">&quot;-a :6081 </span><span class="se">\</span>
<span class="s2">             -T localhost:6082 </span><span class="se">\</span>
<span class="s2">             -f /etc/varnish/default.vcl </span><span class="se">\</span>
<span class="s2">             -S /etc/varnish/secret </span><span class="se">\</span>
<span class="s2">             -s default,256m&quot;</span>
</pre></div>
</div>
<p>Change it to:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">DAEMON_OPTS</span><span class="o">=</span><span class="s2">&quot;-a :80 </span><span class="se">\</span>
<span class="s2">             -T localhost:6082 </span><span class="se">\</span>
<span class="s2">             -f /etc/varnish/default.vcl </span><span class="se">\</span>
<span class="s2">             -S /etc/varnish/secret </span><span class="se">\</span>
<span class="s2">             -s default,256m&quot;</span>
</pre></div>
</div>
</section>
<section id="debian-v8-ubuntu-v15-04">
<h2>Debian (v8+) / Ubuntu (v15.04+)<a class="headerlink" href="#debian-v8-ubuntu-v15-04" title="Link to this heading">¶</a></h2>
<p>On more recent Debian and Ubuntu systems this is configured in the systemd
service file.</p>
<p>Applying changes to the default service is best done by creating a new file
<cite>/etc/systemd/system/varnish.service.d/customexec.conf</cite>:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="p">[</span><span class="n">Service</span><span class="p">]</span>
<span class="n">ExecStart</span><span class="o">=</span>
<span class="n">ExecStart</span><span class="o">=/</span><span class="n">usr</span><span class="o">/</span><span class="n">sbin</span><span class="o">/</span><span class="n">varnishd</span> <span class="o">-</span><span class="n">a</span> <span class="p">:</span><span class="mi">80</span> <span class="o">-</span><span class="n">T</span> <span class="n">localhost</span><span class="p">:</span><span class="mi">6082</span> <span class="o">-</span><span class="n">f</span> <span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">varnish</span><span class="o">/</span><span class="n">default</span><span class="o">.</span><span class="n">vcl</span> <span class="o">-</span><span class="n">S</span> <span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">varnish</span><span class="o">/</span><span class="n">secret</span> <span class="o">-</span><span class="n">s</span> <span class="n">default</span><span class="p">,</span><span class="mi">256</span><span class="n">m</span>
</pre></div>
</div>
<p>This will override the ExecStart part of the default configuration shipped
with Varnish Cache.</p>
<p>Run <code class="docutils literal notranslate"><span class="pre">systemctl</span> <span class="pre">daemon-reload</span></code> to make sure systemd picks up the new
configuration before restarting Varnish.</p>
</section>
<section id="red-hat-enterprise-linux-centos">
<h2>Red Hat Enterprise Linux / CentOS<a class="headerlink" href="#red-hat-enterprise-linux-centos" title="Link to this heading">¶</a></h2>
<p>On Red Hat/CentOS you can find a similar configuration file in
<cite>/etc/sysconfig/varnish</cite>.</p>
</section>
</section>
<section id="restarting-varnish-again">
<h1>Restarting Varnish again<a class="headerlink" href="#restarting-varnish-again" title="Link to this heading">¶</a></h1>
<p>Once the change is done, restart Varnish: <code class="docutils literal notranslate"><span class="pre">service</span> <span class="pre">varnish</span> <span class="pre">start</span></code>.</p>
<p>Now everyone accessing your site will be accessing through Varnish.</p>
</section>

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<li><a class="reference internal" href="#">Put Varnish on port 80</a><ul>
<li><a class="reference internal" href="#debian-ubuntu-legacy">Debian/Ubuntu (legacy)</a></li>
<li><a class="reference internal" href="#debian-v8-ubuntu-v15-04">Debian (v8+) / Ubuntu (v15.04+)</a></li>
<li><a class="reference internal" href="#red-hat-enterprise-linux-centos">Red Hat Enterprise Linux / CentOS</a></li>
</ul>
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<li><a class="reference internal" href="#restarting-varnish-again">Restarting Varnish again</a></li>
</ul>

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