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
• Screenshots
• 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, these resources should be helpful:

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

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, ...)

You may also use the ticket system to require new features.

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Thank you for using freeDiameter!