A RADIUS server for centralized authentication, authorization, and accounting (AAA) in network infrastructure. Provides user authentication for Wi-Fi, VPN, switches, and other network equipment. Supports integration with LDAP, Active Directory, SQL databases, all popular EAP methods (PEAP, EAP-TTLS, EAP-TLS), virtual servers, request proxying with load balancing and failover capabilities.

Home page:

• FreeRADIUS - https://freeradius.org