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