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FreeRADIUS - A multi-protocol policy server
FreeRADIUS is the most widely-deployed open source RADIUS server. It provides robust, flexible, and high-performance Authentication, Authorization, and Accounting (AAA) services for a broad range of network access technologies, including Wi-Fi, VPNs, and wired networks.
C
Added on 2025年6月1日2,293
Stars1,134
ForksC
LanguageProject Introduction
Summary
This project is the official repository for the FreeRADIUS server, a mature and highly configurable implementation of the RADIUS protocol and related network access control standards. It is designed to be modular, scalable, and extensible.
Problem Solved
FreeRADIUS addresses the complex challenge of centrally managing user access and permissions across diverse network infrastructure. It provides a unified platform for authenticating users, authorizing their access levels, and accounting for their network usage.
Core Features
Multi-protocol Support
Implements RADIUS (RFCs), RadSec (TLS-protected RADIUS), and limited TACACS+ proxying.
Flexible Policy Engine
Supports complex authorization policies based on user attributes, group memberships, time of day, and more.
Database Integration
Native support for numerous SQL (MySQL, PostgreSQL, Oracle, etc.) and NoSQL databases, plus LDAP and other backends.
Extensible Module System
Allows custom logic and integrations via a powerful module architecture.
Tech Stack
C
OpenSSL
Various Database Connectors (SQL, LDAP, etc.)
使用场景
FreeRADIUS is utilized in a variety of environments requiring centralized network access control and AAA services:
Enterprise Wi-Fi Authentication (WPA-Enterprise)
Details
Securing wireless networks by authenticating users against a central directory (like Active Directory via LDAP) instead of a shared passphrase.
User Value
Enhanced security, simplified credential management, per-user accountability.
VPN User Access Control
Details
Controlling access to VPN services, allowing centralized management of remote users and their permissions.
User Value
Streamlined user provisioning and de-provisioning for remote access.
ISP Dial-up and Broadband AAA
Details
Providing authentication, session management, and usage accounting for internet service subscribers.
User Value
Scalable and reliable infrastructure for large-scale user base management.
IoT Device Authentication
Details
Authenticating connected devices to the network using certificates or other credentials managed via RADIUS.
User Value
Improved security posture for large fleets of IoT devices.
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