![]() ![]() ![]() Traditional AAA management still exists on-prem, with cloud-based RADIUS-as-a-Service offering similar capabilities as a microservice. Over time, this concept has been expanded to include a variety of protocols and modern networks. Depending on the information received, and whether it is correct, the server will return with an action to either accept, reject, or challenge access to the requested service.Īlthough it was initially developed to replace proprietary dial-in services, RADIUS provides centralized Authentication, Authorization, and Accounting (AAA) management for users who connect to and use a particular network. These requests are formatted like a package, including the client’s username, password, IP address, and port, which are then queried in the database for potential matches. It works by sending client requests for access to the RADIUS server for verification. RADIUS utilizes the client/server model to authenticate and authorize users to login to a network or network infrastructure gear. ![]() developed it as an authentication and accounting protocol in response to Merit Network’s 1991 call for a creative way to manage dial-in access to various Points-Of-Presence (POPs) across its network. What is RADIUS Authentication?Īt its most basic, RADIUS authentication is an acronym that stands for Remote Authentication Dial in User Service. Although the technology landscape has developed to include a variety of authentication protocols, RADIUS authentication continues to offer value in a new, disparate IT scene.Īs such, we’ve broken down what RADIUS authentication truly is, and the pros and cons IT admins should evaluate with respect to its implementation. RADIUS authentication has been around for decades, but IT professionals debate whether it should be the go-to service for managing and authenticating users. ![]()
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February 2023
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