Komar B., Beekelaar R., Wettern J. Firewalls For Dummies

2nd Edition. — Wiley, 2003. — 433 p. — ISBN: 0-7645-4048-3.The book written to help the average Joe understand how firewalls work and how to configure a firewall. This book meets the needs of the person just finding out about computers, as well as the network administrator who needs to implement his or her first firewall.Introducing Firewall Basics.
Establishing Rules.
Designing Network Configurations.
Deploying Solutions Using Firewall Products.
The Part of Tens.
Appendix: Protocol Listings and More.