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16 <p class="apache">Apache HTTP Server Version 2.5</p>
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22 <div id="preamble"><h1>Apache Module mod_ident</h1>
24 <p><span>Available Languages: </span><a href="../en/mod/mod_ident.html" title="English"> en </a> |
25 <a href="../fr/mod/mod_ident.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
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29 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>RFC 1413 ident lookups</td></tr>
30 <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
31 <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>ident_module</td></tr>
32 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_ident.c</td></tr>
33 <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.1 and later</td></tr></table>
36 <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
39 <div id="quickview"><h3 class="directives">Directives</h3>
41 <li><img alt="" src="../images/down.gif" /> <a href="#identitycheck">IdentityCheck</a></li>
42 <li><img alt="" src="../images/down.gif" /> <a href="#identitychecktimeout">IdentityCheckTimeout</a></li>
46 <li><code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code></li>
49 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
50 <div class="directive-section"><h2><a name="IdentityCheck" id="IdentityCheck">IdentityCheck</a> <a name="identitycheck" id="identitycheck">Directive</a></h2>
51 <table class="directive">
52 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enables logging of the RFC 1413 identity of the remote
54 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>IdentityCheck On|Off</code></td></tr>
55 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>IdentityCheck Off</code></td></tr>
56 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
57 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
58 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_ident</td></tr>
59 <tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Moved out of core in Apache 2.1</td></tr>
61 <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
62 connection, where the client machine runs identd or something similar.
63 This information is logged in the access log using the <code>%...l</code>
64 <a href="mod_log_config.html#formats">format string</a>.</p>
67 The information should not be trusted in any way except for
68 rudimentary usage tracking.
71 <p>Note that this can cause serious latency problems accessing
72 your server since every request requires one of these lookups
73 to be performed. When firewalls or proxy servers are involved,
74 each lookup might possibly fail and add a latency duration as
75 defined by the <code class="directive"><a href="#identitychecktimeout">IdentityCheckTimeout</a></code> directive to each hit. So in
76 general this is not very useful on public servers accessible from
80 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
81 <div class="directive-section"><h2><a name="IdentityCheckTimeout" id="IdentityCheckTimeout">IdentityCheckTimeout</a> <a name="identitychecktimeout" id="identitychecktimeout">Directive</a></h2>
82 <table class="directive">
83 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines the timeout duration for ident requests</td></tr>
84 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>IdentityCheckTimeout <var>seconds</var></code></td></tr>
85 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>IdentityCheckTimeout 30</code></td></tr>
86 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr>
87 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
88 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_ident</td></tr>
90 <p>This directive specifies the timeout duration of an ident
91 request. The default value of 30 seconds is recommended by <a href="http://www.ietf.org/rfc/rfc1413.txt">RFC 1413</a>, mainly because
92 of possible network latency. However, you may want to adjust the
93 timeout value according to your local network speed.</p>
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103 <p class="apache">Copyright 2012 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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