What is RADIUS?
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The RADIUS (Remote Authentication Dial In User Service) protocol has been traditionally used to authenticate and provision dial up clients. Additionally it performs accounting services for the same clients. RADIUS services fall under the category of AAA (Authentication, Authorization, and Accounting).
This protocol is the de facto industry standard for these services.
Many modern applications use the accounting function for Mobil-IP and VOIP (Voice over IP).
Software can use the RADIUS protocol to authenticate, provision, and provide accounting services for software applications.
What is a RADIUS Server?
A RADIUS server provides a single point authentication and accounting services for dialup systems, wireless LANs, and applications.
It’s the standard method of integrating a diverse collection of authentication methods into one server. It does this by providing a highly standardized way for any RADIUS client in any device or application to use diverse back
RADIUS products have the designation EAR99 from the US Commerce Department under the Bureau of Industry and Security-(BIS) and the Encryption and Export Administration Regulations (EAR)