CCNP Security Identity Management SISE 300-715 Official Cert Guide

Chapter 1

Fundamentals of AAA

This chapter covers the following topics:

• AAA options

• TACACS+

• RADIUS

• Features and functionality of authentication and authorization

• RADIUS flows

• AV pairs

• Device administration

In the world of security, we can only be as secure as the security controls we deploy permit us to be. Laws in the United States define what an airplane passenger is permitted to bring onboard. If the Transportation Security Administration (TSA) agents weren’t operating the metal detectors and x-ray machines (and all the other things that slow us down when trying to reach our planes), how would the airport ever really enforce those policies?

With technology, we face similar challenges. We need to have controls in place to ensure that only ...