Firewalls for Dummies, Chapter 1: Why do you need a firewall?

Firewalls for Dummies
Chapter 1 of Firewalls For Dummies 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.

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 first published in August 2006

Join the conversationComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.