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129 lines
9.7 KiB
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<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />
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This file is generated from xml source: DO NOT EDIT
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-->
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<title>mod_ident - Apache HTTP Server Version 2.5</title>
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<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
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<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
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</script>
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<link href="../images/favicon.ico" rel="shortcut icon" /></head>
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<body>
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<div id="page-header">
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<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/quickreference.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p>
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<p class="apache">Apache HTTP Server Version 2.5</p>
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<img alt="" src="../images/feather.png" /></div>
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<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div>
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<div id="path">
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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/">Documentation</a> > <a href="../">Version 2.5</a> > <a href="./">Modules</a></div>
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<div id="page-content">
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<div id="preamble"><h1>Apache Module mod_ident</h1>
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<div class="toplang">
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<p><span>Available Languages: </span><a href="../en/mod/mod_ident.html" title="English"> en </a> |
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<a href="../fr/mod/mod_ident.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
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<a href="../ja/mod/mod_ident.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<a href="../ko/mod/mod_ident.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
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</div>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>RFC 1413 ident lookups</td></tr>
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<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
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<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>ident_module</td></tr>
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<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_ident.c</td></tr></table>
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<h3>Summary</h3>
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<p>This module queries an <a href="http://www.ietf.org/rfc/rfc1413.txt">RFC 1413</a> compatible daemon on a remote host to look up the owner of
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a connection.</p>
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</div>
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<div id="quickview"><h3 class="directives">Directives</h3>
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<ul id="toc">
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<li><img alt="" src="../images/down.gif" /> <a href="#identitycheck">IdentityCheck</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#identitychecktimeout">IdentityCheckTimeout</a></li>
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</ul>
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<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_ident">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_ident">Report a bug</a></li></ul><h3>See also</h3>
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<ul class="seealso">
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<li><code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code></li>
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<li><a href="#comments_section">Comments</a></li></ul></div>
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<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
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<div class="directive-section"><h2><a name="IdentityCheck" id="IdentityCheck">IdentityCheck</a> <a name="identitycheck" id="identitycheck">Directive</a> <a title="Permanent link" href="#identitycheck" class="permalink">¶</a></h2>
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<table class="directive">
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<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enables logging of the RFC 1413 identity of the remote
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user</td></tr>
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<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>IdentityCheck On|Off</code></td></tr>
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<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>IdentityCheck Off</code></td></tr>
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<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
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<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
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<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_ident</td></tr>
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</table>
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<p>This directive enables <a href="http://www.ietf.org/rfc/rfc1413.txt">RFC 1413</a>-compliant logging of the remote user name for each
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connection, where the client machine runs identd or something similar.
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This information is logged in the access log using the <code>%...l</code>
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<a href="mod_log_config.html#formats">format string</a>.</p>
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<div class="note">
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The information should not be trusted in any way except for
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rudimentary usage tracking.
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</div>
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<p>Note that this can cause serious latency problems accessing
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your server since every request requires one of these lookups
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to be performed. When firewalls or proxy servers are involved,
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each lookup might possibly fail and add a latency duration as
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defined by the <code class="directive"><a href="#identitychecktimeout">IdentityCheckTimeout</a></code> directive to each hit. So in
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general this is not very useful on public servers accessible from
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the Internet.</p>
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</div>
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<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
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<div class="directive-section"><h2><a name="IdentityCheckTimeout" id="IdentityCheckTimeout">IdentityCheckTimeout</a> <a name="identitychecktimeout" id="identitychecktimeout">Directive</a> <a title="Permanent link" href="#identitychecktimeout" class="permalink">¶</a></h2>
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<table class="directive">
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<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines the timeout duration for ident requests</td></tr>
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<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>IdentityCheckTimeout <var>seconds</var></code></td></tr>
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<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>IdentityCheckTimeout 30</code></td></tr>
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<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
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<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
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<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_ident</td></tr>
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</table>
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<p>This directive specifies the timeout duration of an ident
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request. The default value of 30 seconds is recommended by <a href="http://www.ietf.org/rfc/rfc1413.txt">RFC 1413</a>, mainly because
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of possible network latency. However, you may want to adjust the
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timeout value according to your local network speed.</p>
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</div>
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</div>
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<div class="bottomlang">
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<p><span>Available Languages: </span><a href="../en/mod/mod_ident.html" title="English"> en </a> |
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<a href="../fr/mod/mod_ident.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
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<a href="../ja/mod/mod_ident.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<a href="../ko/mod/mod_ident.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
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</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div>
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<p class="apache">Copyright 2023 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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