From the course: Cisco CCNP SCOR Security (350-701) Cert Prep: 1 Security Concepts and Network Security

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TACACS+ and RADIUS

TACACS+ and RADIUS

From the course: Cisco CCNP SCOR Security (350-701) Cert Prep: 1 Security Concepts and Network Security

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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 password combination. So for example, if a user is attempting to connect to a router's console board 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 log in 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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