Chapter Guide — 01 Prof. Michael P. Harris
Firewall Planning and Design

LEARNING OBJECTIVES ITSY 2401 – Firewall and Network Security

After reading this chapter and completing the exercises
you will be able to:

1)  Understand the misconceptions about firewalls

2)  Realize that a firewall is dependent on an effective security policy

3)  Understand what a firewall does

4)  Describe the types of firewall protection

5)  Understand the limitations of firewalls

6)  Determine the best hardware and software selections for your firewall

Class Discussion Topics

  1. What are the primary security features that a firewall performs?
  2. Ask students to do some research on low-cost firewalls suited for home and small businesses. Identify which of these have NAT functions.
  3. Discuss the kind of tactics hackers might use to gain access to a site.

Additional Case Projects

1. Provide definitions for the following terms:

·  NAT

·  VPN

·  DNS

·  OPSEC

2. Identify some of the limitations of packet filtering.

Further Readings and Resources

See how a firewalls works: http://www.howstuffworks.com/firewall.htm

Firewall comparisons: http://products.datamation.com/security/firewalls/