This is the official website of freeDiameter, the open source Diameter protocol implementation. freeDiameter provides an extensible platform for deploying a Diameter network for your Authentication, Authorization and Accounting needs, whether you are involved in research or a network operator.

Read more:

• About freeDiameter (and Diameter)
• [source:LICENSE License information] (BSD-like license)
• Features
• Requirements
• Installation
• User documentation?
• Support and bug reports
• For developers

Latest announcements

• Website cleanup  -- 2023-03-02
• Moving code to github  -- 2021-08-06
• Version 1.5.0 frozen  -- 2020-10-06 in release
• Version 1.4.0 available  -- 2020-03-29
• freeDiameter 1.3.2 released  -- 2019-06-02
• Diameter: New Generation AAA Protocol - Design, Practice, and Applications  -- 2019-05-18 in book
• freeDiameter 1.3.0  -- 2019-05-18 in release
• Another downtime...  -- 2016-06-06 in website
• freeDiameter website downtime  -- 2016-01-23 in website
• Diameter Protocol Guide  -- 2015-06-18 in book
• freeDiameter 1.2.0  -- 2013-09-14 in release
• DNS issues with freeDiameter.net  -- 2013-04-21 in maintainance
• freeDiameter 1.1.6  -- 2013-03-03 in release
• Server updated  -- 2012-11-04 in maintainance
• freeDiameter 1.1.5  -- 2012-11-04 in release ports
• freeDiameter 1.1.4  -- 2012-09-12 in release
• freeDiameter in pkgsrc  -- 2012-08-25 in distribution
• freeDiameter 1.1.3 released  -- 2012-08-25 in release
• freeDiameter 1.1.2 released  -- 2012-02-22 in release
• New freeDiameter released: 1.1.1  -- 2011-10-02 in release
• freeDiameter in Fedora/RHEL  -- 2011-07-12 in distribution
• freeDiameter 1.1.0 is released.  -- 2011-03-29 in release
• Power shortage  -- 2011-03-16 in maintainance
• Two blackouts planned  -- 2011-02-28 in maintainance
• Documentation update in progress  -- 2011-02-25 in documentation
• freeDiameter 1.0.3 released!  -- 2010-12-21 in release
• Maintainance on November 12-15  -- 2010-11-11 in maintainance
• Bugfix release 1.0.2 is here.  -- 2010-10-28 in release
• Maintainance on October 8-12  -- 2010-10-07 in maintainance
• freeDiameter 1.0.1 released  -- 2010-09-28 in release
• Evolution status  -- 2010-09-17 in development
• Debian and Ubuntu repositories  -- 2010-08-06 in release
• freeDiameter 1.0.0 released.  -- 2010-07-29 in release
• First release candidate for freeDiameter 1.0.0 is out!  -- 2010-07-08 in release
• Registration is open  -- 2010-06-15 in tracker
• Old website  -- 2010-06-11 in documentation
• About freeDiameter  -- 2010-06-09 in documentation

Support and bug reports

In case you need assistance with the configuration of freeDiameter, here is a list of resources which can be helpful:

• The freeDiameter documentation? is a good place to start, especially the FAQ.
• The support mailing-list is ​help@freediameter.net. See ​this page to subscribe. You can check also the ​list archives.

If you have found a problem with the implementation, please use:

• The Troubleshooting page for instructions on gathering as much information as possible.
• The Tickets system to check if similar issue has already been reported.
• Finally, please use the ​dev@freediameter.net mailing-list (​subscribe here) for sending description of your problems. Please include as much information as possible to help us understand and reproduce the issue (operating system, configuration files, log files, ...)