Apache Module mod_ident

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Description:	RFC 1413 ident lookups
Status:	Extension
Module Identifier:	ident_module
Source File:	mod_ident.c
Compatibility:	Available in Apache 2.1 and later

Summary

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This module queries an RFC 1413 compatible daemon on a remote host to look up the owner of + a connection.

Bugfix checklist

IdentityCheck Directive

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Description:	Enables logging of the RFC 1413 identity of the remote +user
Syntax:	`IdentityCheck On\|Off`
Default:	`IdentityCheck Off`
Context:	server config, virtual host, directory
Status:	Extension
Module:	mod_ident
Compatibility:	Moved out of core in Apache 2.1

This directive enables RFC 1413-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 %...l + format string.

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+ The information should not be trusted in any way except for + rudimentary usage tracking. +

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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 IdentityCheckTimeout directive to each hit. So in + general this is not very useful on public servers accessible from + the Internet.

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IdentityCheckTimeout Directive

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Description:	Determines the timeout duration for ident requests
Syntax:	`IdentityCheckTimeout seconds`
Default:	`IdentityCheckTimeout 30`
Context:	server config, virtual host, directory
Status:	Extension
Module:	mod_ident

This directive specifies the timeout duration of an ident + request. The default value of 30 seconds is recommended by RFC 1413, mainly because + of possible network latency. However, you may want to adjust the + timeout value according to your local network speed.

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