For all intents and purposes, FreeRADIUS is free. But, while the software itself doesn’t cost anything, IT organizations do need hardware or virtual servers to host the software on. Then, the most expensive costs are usually the personnel costs to install, configure, and manage the RADIUS infrastructure.
Is RADIUS server still used?
RADIUS has evolved far beyond just the dial up networking use-cases it was originally created for. Today it is still used in the same way, carrying the authentication traffic from the network device to the authentication server.
What is RADIUS server configuration?
RADIUS is a client/server system that keeps the authentication information for users, remote access servers, VPN gateways, and other resources in one central database. In Fireware v12. 5 or higher: SecurID is part of the RADIUS configuration. You can configure more than one primary RADIUS server.