NAME
   RT::Authen::ExternalAuth - RT Authentication using External Sources

DESCRIPTION
   A complete package for adding external authentication mechanisms to RT.
   It currently supports LDAP via Net::LDAP and External Database
   authentication for any database with an installed DBI driver.

   It also allows for authenticating cookie information against an external
   database through the use of the RT-Authen-CookieAuth extension.

UPGRADING
   If you are upgrading from an earlier version of this extension, you must
   remove the following files manually:

       $RTHOME/local/plugins/RT-Authen-ExternalAuth/lib/RT/User_Vendor.pm
       $RTHOME/local/lib/RT/User_Vendor.pm
       $RTHOME/local/lib/RT/Authen/External_Auth.pm

   Otherwise you will most likely encounter an error about modifying a read
   only value and be unable to start RT.

   You may not have all of these files. It depends what versions you are
   upgrading between.

   If you are using a vendor packaged RT, your local directories are likely
   to be somewhere under /usr/local instead of in $RTHOME so you will need
   to visit Configuration -> Tools -> System Configuration to find your
   plugin root.

 VERSION NOTES
   If you are using RT 3.6, you want to use the 0.05 version.

   If you are using RT 3.8.0 or 3.8.1, you may have trouble using this due
   to RT bugs related to plugins, but you may be able to use 0.08.

   0.08_02 or later will not work on 3.8.0 or 3.8.1

   If you are using RT 4.0.0 or greater, you must use at least 0.09

MORE ABOUT THIS MODULE
   This module provides the ability to authenticate RT users against one or
   more external data sources at once. It will also allow information about
   that user to be loaded from the same, or any other available, source as
   well as allowing multple redundant servers for each method.

   The extension currently supports authentication and information from
   LDAP via the Net::LDAP module, and from any data source that an
   installed DBI driver is available for.

   It is also possible to use cookies set by an alternate application for
   Single Sign-On (SSO) with that application. For example, you may
   integrate RT with your own website login system so that once users log
   in to your website, they will be automagically logged in to RT when they
   access it.

   It was originally designed and tested against:

   MySQL v4.1.21-standard MySQL v5.0.22 Windows Active Directory v2003

   But it has been designed so that it should work with ANY LDAP service
   and ANY DBI-drivable database, based upon the configuration given in
   your $RTHOME/etc/RT_SiteConfig.pm

   As of v0.08 ExternalAuth also allows you to pull a browser cookie value
   and test it against a DBI data source allowing the use of cookies for
   Single Sign-On (SSO) authentication with another application or website
   login system. This is due to the merging of RT::Authen::ExternalAuth and
   RT::Authen::CookieAuth. For example, you may integrate RT with your own
   website login system so that once users log in to your website, they
   will be automagically logged in to RT when they access it.

INSTALLATION
   To install this module, run the following commands:

       perl Makefile.PL
       make
       make install

   If you are using RT 3.8.x, you need to enable this module by adding
   RT::Authen::ExternalAuth to your @Plugins configuration:

       Set( @Plugins, qw(RT::Authen::ExternalAuth) );

   If you already have a @Plugins line, add RT::Authen::ExternalAuth to the
   existing list. Adding a second @Plugins line will cause interesting
   bugs.

   Once installed, you should view the file:

   3.4/3.6 $RTHOME/local/etc/ExternalAuth/RT_SiteConfig.pm 3.8
   $RTHOME/local/plugins/RT-Authen-ExternalAuth/etc/RT_SiteConfig.pm

   Then use the examples provided to prepare your own custom configuration
   which should be added to your site configuration in
   $RTHOME/etc/RT_SiteConfig.pm

AUTHOR
       Mike Peachey
       Jennic Ltd.
       [email protected]
           Various Best Practical Developers

COPYRIGHT AND LICENCE
   Copyright (C) 2008, Jennic Ltd.

   This software is released under version 2 of the GNU General Public
   License. The license is distributed with this package in the LICENSE
   file found in the directory root.