S+ Objective 5.1 Authentication Services Visualization

Flowchart nodes

• Client

• RADIUS Authentication

• RADIUS Client

• RADIUS Server

• Requesting Authorization

• Server Validating Request

• Granting Authorization

• ISP

• TACACS Authentication

• Internal Network

• Client

• TACACS Server

• Requesting and granting authentication

• Kerberos Authentication

• Client

• Network Resource Server

• Kerberos Key Distribution Center

• 1. Request authentication

• 2. Authenticate and Grant Ticket-Granting Ticket (TGT)

• 3. Present TGT

• 4. Validate TGT and grant Service Ticket

• 5. Present Service Ticket

• 6. Request Service Ticket Validation

• 7. Validate Service Ticket

• 8. Grant Network Resource access