Authentication, Authorization, and Accounting (AAA)

Authentication, Authorization, and Accounting (AAA)

1. Local AAA

   • Authentication Methodos
     • Local
     • enable
     • none
     • group (Radius, tacacs, group-name)
   • Debug Authentication

2. Server-Based AAA

   • Authentication
     • Configuring
       • RADIUS
       • TACACS
   • Accounting
     • Debugging
     • Monitoring
   • TACACS
     • Utilizes TCP port 49
     • Encrypts all communication
   • RADIUS
     • Encrypts only the password
     • Utilizes UDP
     • Supports remote-access

3. Cisco Secure ACS

   • Encrypted syslogs
   • SEparates authentication and authorization
   • Encription all comunication
   • LDAP

4. Authentication AAA

   • Coponents
     • Authentication
     • Accounting
       • Types
     • Authorization