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  <div class="section" id="the-varnish-reference-manual">
<span id="reference-index"></span><h1>The Varnish Reference Manual<a class="headerlink" href="#the-varnish-reference-manual" title="Permalink to this headline">ΒΆ</a></h1>
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<li class="toctree-l1"><a class="reference internal" href="vsm.html">VSM: Shared Memory Logging and Statistics</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="vsm.html#the-varnish-way">The Varnish way:</a></li>
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<li class="toctree-l1"><a class="reference internal" href="vmod_blob.html">VMOD blob - Utilities for the VCL blob type, encoding and decoding</a></li>
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<li class="toctree-l1"><a class="reference internal" href="vmod_directors.html">VMOD directors - Varnish Directors Module</a></li>
<li class="toctree-l1"><a class="reference internal" href="vmod_proxy.html">VMOD proxy - Varnish Module to extract TLV attributes from PROXYv2</a></li>
<li class="toctree-l1"><a class="reference internal" href="vmod_purge.html">VMOD purge - Varnish Purge Module</a></li>
<li class="toctree-l1"><a class="reference internal" href="vmod_std.html">VMOD std - Varnish Standard Module</a></li>
<li class="toctree-l1"><a class="reference internal" href="vmod_unix.html">VMOD unix - Utilities for Unix domain sockets</a></li>
<li class="toctree-l1"><a class="reference internal" href="vmod_vtc.html">VMOD vtc - Utility module for varnishtest</a></li>
<li class="toctree-l1"><a class="reference internal" href="vmod.html">VMOD - Varnish Modules</a><ul>
<li class="toctree-l2"><a class="reference internal" href="vmod.html#vmod-directory">VMOD Directory</a></li>
<li class="toctree-l2"><a class="reference internal" href="vmod.html#the-vmod-vcc-file">The vmod.vcc file</a></li>
<li class="toctree-l2"><a class="reference internal" href="vmod.html#vcl-and-c-data-types">VCL and C data types</a></li>
<li class="toctree-l2"><a class="reference internal" href="vmod.html#private-pointers">Private Pointers</a></li>
<li class="toctree-l2"><a class="reference internal" href="vmod.html#event-functions">Event functions</a></li>
<li class="toctree-l2"><a class="reference internal" href="vmod.html#when-to-lock-and-when-not-to-lock">When to lock, and when not to lock</a></li>
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<li class="toctree-l2"><a class="reference internal" href="directors.html#backends-vs-directors">Backends vs Directors</a></li>
<li class="toctree-l2"><a class="reference internal" href="directors.html#load-balancing-directors">Load Balancing Directors</a></li>
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<li class="toctree-l2"><a class="reference internal" href="directors.html#health-probes">Health Probes</a></li>
<li class="toctree-l2"><a class="reference internal" href="directors.html#custom-backends">Custom Backends</a></li>
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<li class="toctree-l1"><a class="reference internal" href="varnish-counters.html">varnish-counters</a><ul>
<li class="toctree-l2"><a class="reference internal" href="varnish-counters.html#varnish-counter-field-definitions">Varnish counter field definitions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="vsl.html">VSL</a><ul>
<li class="toctree-l2"><a class="reference internal" href="vsl.html#varnish-shared-memory-logging">Varnish Shared Memory Logging</a></li>
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<li class="toctree-l1"><a class="reference internal" href="vsl-query.html">vsl-query</a><ul>
<li class="toctree-l2"><a class="reference internal" href="vsl-query.html#varnish-vsl-query-expressions">Varnish VSL Query Expressions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="vtc.html">VTC</a><ul>
<li class="toctree-l2"><a class="reference internal" href="vtc.html#varnish-test-case-syntax">Varnish Test Case Syntax</a></li>
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<li class="toctree-l1"><a class="reference internal" href="vtla.html">VTLA - Varnish Three Letter Acronyms</a><ul>
<li class="toctree-l2"><a class="reference internal" href="vtla.html#copyright">COPYRIGHT</a></li>
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