GNU Radius is a server for centralised network authentication and accounting. It implements the RADIUS protocol and provides administrators with tools for controlling access to network services, validating user credentials and recording connection information.
The software was designed with Internet service providers in mind, but it is also suitable for networks requiring centralised authentication and usage accounting. Its configuration system supports different authentication schemes, external databases and custom rules for handling requests.
GNU Radius places considerable emphasis on extensibility. Administrators can customise request processing through the built-in Rewrite language, Scheme procedures using GNU Guile and external programs. This flexibility allows the server to accommodate unusual authentication requirements and equipment that uses non-standard RADIUS attributes.
This is free and open source software.
Key Features
- Centralised user authentication and network accounting using RADIUS.
- Supports Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP).
- Authentication using local records, system accounts, SQL databases and PAM.
- MySQL and PostgreSQL database integration.
- Additional database connectivity through ODBC.
- Configurable SQL queries for retrieving user records and access policies.
- SQL accounting with administrator-defined database queries.
- Detailed text-based accounting records.
- Unix accounting integration.
- Built-in Rewrite language for modifying and processing RADIUS requests.
- Scheme extension support through GNU Guile.
- Custom authentication and accounting procedures.
- External filter programs for processing requests and responses.
- Support for vendor-specific RADIUS attributes.
- Configurable request forwarding and proxy realms.
- Simultaneous login checking and session management.
- SNMP-based monitoring and management.
- Logging, debugging and rule tracing for troubleshooting.
- Includes administrative utilities and a RADIUS client.
Website: www.gnu.org/software/radius
Support:
Developer: Sergey Poznyakoff, Poul-Henning Kamp
License: GNU General Public License v3.0
Radius is written in C. Learn C with our recommended free books and free tutorials.
Related Software
| Network Authentication Servers | |
|---|---|
| Keycloak | Identity and Access Management solution for modern Applications and Services |
| FreeRADIUS | High-performance and highly configurable RADIUS server |
| Logto | Modern Auth0 alternative |
| RADIUSdesk | RADIUS management platform |
| Radius | Remote user authentication and accounting and accompanying utilities |
Read our verdict in the software roundup.
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