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Introduction to Computer Networks and Cybersecurity by J. David Irwin, Chwan-Hwa Wu

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Chapter 18

Firewalls

The learning goals for this chapter are as follows:

  • Learn the purpose and configurations of a firewall
  • Learn the contents of an integrated security gateway package designed to counter any threats
  • Understand the location and operational characteristics of the different types of firewalls: packet filtering, application-level gateway and circuit-level gateway
  • Learn the manner in which a primary-backup firewall operates and the protocols that are used with it
  • Explore the many facets of a Windows 7/Vista firewall, and outline in detail the manner in which the appropriate rules are employed to configure both personal and home network firewalls
  • Understand the details involved in the use of a Cisco firewall containing a DMZ
  • Learn ...

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