O'Reilly logo

CCDP ARCH Quick Reference by Michael Watkins, Kevin Wallace

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 8. Securing an Enterprise Network

With today's mission-critical network services, such as e-commerce, network security has become a major design consideration. This chapter discusses Cisco recommendations for securing an enterprise network. Specifically, this chapter discusses firewall, network admission control, intrusion detection, and intrusion prevention services.

Firewalls

Firewalls contain a list of rules that control what traffic can enter or exit a network segment. These rules can be based on, for example, user access rights or specific applications. Cisco firewalls use one of two basic modes of operation:

  • Routed mode: The traditional mode of operation, where the firewall acts as a Layer 3 device
  • Transparent mode: A newer mode ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required