![]() The user or machine sends a request to a Network Access Server (NAS) to gain access to a particular network resource using access credentials. RADIUS authentication consists of supplicant(user device), NAS(Network Access Server), and the RADIUS server. The EAP-TTLS is a default authentication method. The imRAD can be used on WPA, WPA2, and WPA3 Enterprise environments and supports EAP-TTLS and EAP-PEAP. WPA-Enterprise is also referred to as WPA-802.1X mode, and sometimes just WPA (as opposed to WPA-PSK), this is designed for enterprise networks and requires a RADIUS authentication server to have users can use a network service. RADIUS is often the back-end of choice for 802.1X authentication. Network access servers, which control access to a network, usually contain a RADIUS client component that communicates with the RADIUS server. RADIUS is a client/server protocol that runs in the application layer. RADIUS(Remote Authentication Dial-In User Service) is a networking protocol, operating on ports 18, that provides centralized Authentication, Authorization, and Accounting (AAA or Triple-A) management for users who connect and use a network service. ![]()
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