Project Summary
FreeRADIUS is an open source RADIUS server. The server scales easily from embedded systems with small amounts of memory to systems with millions of users.
It is fast, flexible, configurable, and supports more authentication protocols than most commercial servers. It includes support for SQL, LDAP, RADIUS Proxying, failover, load balancing, and nearly 100 vendor dictionary files. It can perform authentications via the PAP, CHAP, MS-CHAP, EAP-MD5, EAP-GTC, EAP-TLS, EAP-TTLS, PEAPv0, LEAP, EAP-SIM, and Digest authentication protocols.
In a Nutshell, FreeRADIUS...
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has a well established, mature codebase
maintained by a large development team
with stable Y-O-Y commits -
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took an estimated 128 years of effort (COCOMO model)
starting with its first commit in August, 1999
ending with its most recent commit 3 days ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
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30 Day SummarySep 12 2025 — Oct 12 2025
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12 Month SummaryOct 12 2024 — Oct 12 2025
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Static Analysis ( Generated by Coverity Scan for FreeRADIUS/freeradius-server )
Repository URL: https://github.com/FreeRADIUS/freeradius-server
Version: 4.0
- 2025-10-11
- Last Analyzed
- 826,655
- Lines of Code Analyze
- 0.0
- Defect Density
Defects by status for current build
- 1,357
- Total defects
- 2
- Outstanding
- 1,327
- Fixed
CWE Top 25 defects
No top 25 CWE defects were found.