From the course: Cisco CCNP Security SCOR v1.1 (350-701) Cert Prep

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TACACS+ and RADIUS

TACACS+ and RADIUS

From the course: Cisco CCNP Security SCOR v1.1 (350-701) Cert Prep

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TACACS+ and RADIUS

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- [Instructor] The AAA security architecture is a framework that allows administrators to control user access to network devices by using three independent security functions. These functions are authentication, authorization, and accounting. Authentication is the process where a user must prove their identity. This is typically achieved with a username and a password combination. So for example, if a user is attempting to connect to a router's console port, they might be prompted for their authentication credentials. Authorization is the process that determines which resources or operations a user is able to access, and it does that through certain access privileges or restrictions. Just because a user is authenticated correctly doesn't mean that they're authorized to do anything they want. So if you login with working credentials and you're successfully authenticated as a valid network user, you might still be restricted in the actions you're allowed to take based on the…

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