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mod_auth_xradius provides high performance authentication against RFC 2865 RADIUS Servers.


  • Supports popular RADIUS Servers including OpenRADIUS, FreeRADIUS and commercial servers.
  • Distributed Authentication Cache using apr_memcache.
  • Local Authentication Cache using DBM.
  • Uses standard HTTP Basic Authentication, unlike mod_auth_radius which uses cookies for sessions.




Apache HTTPd>=2.0.42
APR Memcache Client>=0.7.0(Optional)

Change Log

Version 0.4.6: 07/05/2005
Changes in this release:
  • Fixed Issue #39: Generation of the Authenticator Field.
Version 0.4.5: 04/28/2005
Changes in this release:
  • Add 'AuthXRadiusCacheMutex' directive.
Version 0.4.4: 04/26/2005
Changes in this release:
  • Fix bug when a user is in the positive cache, but sends an invalid password.
Version 0.4.3: 04/20/2005
Changes in this release:
  • Added support for the 2.1 Authentication and Authorization Framework.
  • Fixed Issue #33: Users in the negative cache could not re-authenticate.
  • Fixed Issue #34: memcache cache fails when the realm or username contains the space character.
Version 0.4.2: 04/19/2005
  • Added Missing files to the release tarball. Due to a packaging error, some files required to compile the module were not included in older versions.
Version 0.4.1: 04/18/2005
  • Initial Public Release
  • Fix the AuthXRadiusRejectBlank command
  • Complete Documentation
Version 0.4.0: 04/13/2005
Initial Release


Version 0.4.6 is the latest version available Repositories

Mailing Lists

There are two mailing lists for mod_auth_xradius. The first is the generic announcement mailing list which provides announcements for all software releases on, but can be filtered by choosing topics in the mailing list options page. The second is the user mailing list. Release announcements will be cross posted to both lists.

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Development Sponsors would like to thank Westland Helicopters Ltd for sponsoring the development of mod_auth_xradius.

Contact & Help

E-Mail us, about mod_auth_xradius.

Send an e-mail to the mod_auth_xradius mailing list.

Bugs should be reported to the Bug Tracker.

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