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RBAC authentication accounting authorization syslog TACACS+

Provides access control and verifies whether the connected user can execute a submitted command. RBAC The process of verifying the identity of the person or device accessing the resource. authentication Provides a method to collect and log information, and send the information to the AAA server for billing, auditing, and reporting. accounting A method of restricting or authorizing system access for users based on uder roles and locales. authorization