Self-Defending Networks: The Next Generation of Network Security

Chapter 6. Implementing Network Admission Control

This chapter covers the following topics:

• Network admission control overview

• NAC Framework benefits

• NAC Framework components

• Operational overview

• Deployment models

Network Admission Control (NAC) is a technology initiative led by Cisco Systems working in collaboration with many leading security vendors, including antivirus and desktop management. Their focus is the creation of solutions that limit security threats, such as worms and viruses.

This technology provides a framework using existing Cisco infrastructure to enforce network admission policies on NAC-enabled endpoint devices, guaranteeing software compliance before network access is granted. If an endpoint device is determined noncompliant, a variety ...