From the course: Cisco Network Security: Secure Access
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RADIUS and TACACS+ authentication - Cisco Tutorial
From the course: Cisco Network Security: Secure Access
RADIUS and TACACS+ authentication
- [Instructor] Access Control can either be decentralized or centralized. Decentralized access control gives control the access to the users who are closer to the resource. Decentralized access control however, has no method for consistent control. Centralized access control gives a single centralized entity the ability to oversee access to the corporate resources and provides a consistent and uniform method of controlling access. One of the methods we can use for access control, when having users from the outside come in is RADIUS. RADIUS is remote authentication dial-in user service. RADIUS provides authentication, authorization, and accounting. And is what is considered a client-server model whereby a network access server is a client of the RADIUS server. RADIUS supports a number of Flexible Authentication Options. Challenge-Handshake Authentication Protocol or CHAP is a challenge-response authentication method.…
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