Chapter 1. Why Do You Need a Personal Firewall?

Because you are reading this chapter’s introduction chances are very good that you already know a little about the Internet and why it is both an incredible and dangerous place to visit. The Internet is gold mine of information and opportunity. Unfortunately it has also become a hunting ground for less-than-scrupulous individuals who have both the tools and the know-how to penetrate your computer and steal your personal and financial information or who simply enjoy playing practical jokes or deliberately harming other people’s computer systems.

The introduction of wide spread high-speed Internet access makes your computer an easier and more attractive target for these people. The mission of this book ...

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