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- <title>logresolve - Resolve IP-addresses to hostnames in Apache
- log files - Apache HTTP Server</title>
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- <p class="apache">Apache HTTP Server Version 2.0</p>
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- <a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs-project/">Documentation</a> > <a href="../">Version 2.0</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>logresolve - Resolve IP-addresses to hostnames in Apache
- log files</h1>
- <div class="toplang">
- <p><span>Available Languages: </span><a href="../en/programs/logresolve.html" title="English"> en </a></p>
- </div>
-
- <p><code>logresolve</code> is a post-processing program to
- resolve IP-addresses in Apache's access logfiles. To minimize
- impact on your nameserver, logresolve has its very own internal
- hash-table cache. This means that each IP number will only be
- looked up the first time it is found in the log file.</p>
-
- <p>Takes an Apache log file on standard input. The IP addresses
- must be the first thing on each line and must be seperated from
- the remainder of the line by a space.</p>
- </div>
- <div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#synopsis">Synopsis</a></li>
- <li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li>
- </ul></div>
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- <div class="section">
- <h2><a name="synopsis" id="synopsis">Synopsis</a></h2>
-
- <p><code><strong>logresolve</strong> [ -<strong>s</strong>
- <var>filename</var> ] [ -<strong>c</strong> ] <
- <var>access_log</var> > <var>access_log.new</var></code></p>
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- <div class="section">
- <h2><a name="options" id="options">Options</a></h2>
-
- <dl>
-
- <dt><code>-s <var>filename</var></code></dt>
-
- <dd>Specifies a filename to record statistics.</dd>
-
- <dt><code>-c</code></dt>
-
- <dd>This causes <code>logresolve</code> to apply some DNS checks:
- after finding the hostname from the IP address, it looks up the IP
- addresses for the hostname and checks that one of these matches the
- original address.</dd>
-
- </dl>
- </div></div>
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- <p><span>Available Languages: </span><a href="../en/programs/logresolve.html" title="English"> en </a></p>
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