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Main Characteristics and Functioning Approach of Radius and Freeradius Server

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Radius server, short for Remote Authentication Dial-In User Service, is a network protocol used to provide centralized authentication, authorization, and accounting management for users accessing a network. It is commonly used in enterprise-level environments where multiple users require access to the network, and security is a major concern. How Does Radius Server Function Adequately? Radius server works by establishing a connection between the network access server (NAS) and the authentication server. The NAS is responsible for controlling access to the network, while the authentication server  Freeradius verifies the user's credentials. When a user tries to access the network, the NAS sends a request to the authentication server, asking for authentication. The authentication server then checks the user's credentials, such as username and password, against a database of authorized users. If the credentials are valid, the authorized verification server passes an allowance tex