books.google.com - Written by the people responsible for designing and maintaining AT&TUs Internet gateway, this is the definitive description and practical guide to protecting networks from hacker attacks. The book shows how to set up a "firewall" gateway--a dedicated computer equipped with safeguards that acts as a single,...http://books.google.com/books/about/Firewalls_and_Internet_Security.html?id=_ZqIh0IbcrgC&utm_source=gb-gplus-shareFirewalls and Internet Security
