Cisco 2509 - Router - EN - CHAPTER 1 Overview of Cisco Secure ACS; The Cisco Secure ACS Paradigm

CHAPTER
1-1
User Guide for Cisco Secure ACS for Windows Server
78-14696-01, Version 3.1
1
Overview of Cisco Secure ACS
This chapter provides an overview of Cisco Secure Access Control Server
(Cisco Secure ACS) for Windows Server version 3.1. It contains the following
sections:
• The Cisco Secure ACS Paradigm, page 1-1
• Cisco Secure ACS Specifications, page 1-2
• AAA Server Functions and Concepts, page 1-5
• Cisco Secure ACS HTML Interface, page 1-23
The Cisco Secure ACS Paradigm
Cisco Secure ACS provides authentication, authorization, and accounting
(AAA—pronounced “triple A”) services to network devices that function as AAA
clients, such as a network access server, PIX Firewall, or router. The AAA client
in Figure 1-1 represents any such device that provides AAA client functionality
and uses one of the AAA protocols supported by Cisco Secure ACS.