Cisco Systems Servers Overview of Cisco Secure ACS

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Cisco Secure ACS 3.0 for Windows 2000/NT Servers User Guide
78-13751-01, Version 3.0
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Overview of Cisco Secure ACS
This chapter provides an overview of CiscoSecure Access Control Server for
WindowsNT/2000 Servers Version 3.0 (Cisco Secure ACS). 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 1-4
•Cisco Secure ACS HTML Interface, page 1-21
The Cisco Secure ACS Paradigm
Cisco Secure ACS provides authentication, authorization, and accounting
(AAA—pronounced “tripleA”) 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 on page 1-2 represents any such device that provides AAA client
functionality and uses one of the AAA protocols supported by CiscoSecure ACS.