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| <title>mod_ident - Apache HTTP Server</title> |
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| <p class="apache">Apache HTTP Server Version 2.1</p> |
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| <div id="page-content"> |
| <div id="preamble"><h1>Apache Module mod_ident</h1> |
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| <p><span>Available Languages: </span><a href="../en/mod/mod_ident.html" title="English"> en </a></p> |
| </div> |
| <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>RFC 1413 ident lookups</td></tr> |
| <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr> |
| <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>ident_module</td></tr> |
| <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_ident.c</td></tr> |
| <tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.1 and later</td></tr></table> |
| <h3>Summary</h3> |
| |
| <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 |
| a connection.</p> |
| </div> |
| <div id="quickview"><h3 class="directives">Directives</h3> |
| <ul id="toc"> |
| <li><img alt="" src="../images/down.gif" /> <a href="#identitycheck">IdentityCheck</a></li> |
| <li><img alt="" src="../images/down.gif" /> <a href="#identitychecktimeout">IdentityCheckTimeout</a></li> |
| </ul> |
| <h3>See also</h3> |
| <ul class="seealso"> |
| <li><code class="module"><a href="../mod/mod_log_config.html">mod_log_config</a></code></li> |
| </ul></div> |
| |
| <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> |
| <div class="directive-section"><h2><a name="IdentityCheck" id="IdentityCheck">IdentityCheck</a> <a name="identitycheck" id="identitycheck">Directive</a></h2> |
| <table class="directive"> |
| <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enables logging of the RFC 1413 identity of the remote |
| user</td></tr> |
| <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>IdentityCheck On|Off</code></td></tr> |
| <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>IdentityCheck Off</code></td></tr> |
| <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr> |
| <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> |
| <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_ident</td></tr> |
| <tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Moved out of core in Apache 2.1</td></tr> |
| </table> |
| <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 |
| connection, where the client machine runs identd or something similar. |
| This information is logged in the access log using the <code>%...l</code> |
| <a href="mod_log_config.html#formats">format string</a>.</p> |
| |
| <div class="note"> |
| The information should not be trusted in any way except for |
| rudimentary usage tracking. |
| </div> |
| |
| <p>Note that this can cause serious latency problems accessing |
| your server since every request requires one of these lookups |
| to be performed. When firewalls or proxy servers are involved, |
| each lookup might possibly fail and add a latency duration as |
| defined by the <code class="directive"><a href="#identitychecktimeout">IdentityCheckTimeout</a></code> directive to each hit. So in |
| general this is not very useful on public servers accessible from |
| the Internet.</p> |
| |
| </div> |
| <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> |
| <div class="directive-section"><h2><a name="IdentityCheckTimeout" id="IdentityCheckTimeout">IdentityCheckTimeout</a> <a name="identitychecktimeout" id="identitychecktimeout">Directive</a></h2> |
| <table class="directive"> |
| <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines the timeout duration for ident requests</td></tr> |
| <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>IdentityCheckTimeout <var>seconds</var></code></td></tr> |
| <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>IdentityCheckTimeout 30</code></td></tr> |
| <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</td></tr> |
| <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> |
| <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_ident</td></tr> |
| </table> |
| <p>This directive specifies the timeout duration of an ident |
| request. The default value of 30 seconds is recommended by <a href="http://www.ietf.org/rfc/rfc1413.txt">RFC 1413</a>, mainly because |
| of possible network latency. However, you may want to adjust the |
| timeout value according to your local network speed.</p> |
| |
| </div> |
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| <p><span>Available Languages: </span><a href="../en/mod/mod_ident.html" title="English"> en </a></p> |
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