Firewalls for Dummies, Chapter 1: Why do you need a firewall?
Firewalls for Dummies, Chapter 1, by Brian Komar, Ronald Beekelaar and Joern Wettern provides an excellent overview of what a firewall is, what it does and how it works. Further, it explains when you might need a firewall, covering issues like Internet protocols, security and hacking.
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Read the rest of the excerpt in this PDF.
Excerpted from Firewalls For Dummies by Brian Komar, Ronald Beekelaar and Joern Wettern (ISBN: 0764540483).
Copyright © 2006, John Wiley & Sons Inc. All rights reserved.
This was last published in August 2006
