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Project Notes


Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA or Triple A) management for users who connect and use a network service.


  • originally developed by Livingston Enterprises
  • provides centralized Authentication, Authorization, and Accounting (AAA)
  • governed by the IETF (RFC 2865 and more)
  • widely implemented and used
  • can suffer degraded performance and lost data when used in large scale systems
  • is an “old” protocol that lives on. The IETF’s AAA working group may develop a successor protocol (possibly diameter?).

Open Source Implementations

Credits and References

About LCK#36 RADIUSinfrastructure
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