For More Information
Following are some excellent titles that you should consult for more details on IP, firewalls, and security. All these books are available online from Safari, as well as in analog paper format for those long airline flights.
Building Internet Firewalls, 2nd Edition by D. Brent Chapman, et al. (O'Reilly, 2000); available online here at Safari. This book covers a lot of great topics.
Practical UNIX and Internet Security, 3rd Edition by Simson Garfinkel, et al. (O'Reilly, 2003); available online here at Safari. This book has a lot of great information.
Maximum Security, Fourth Edition by Anonymous et al. (Sams, 2002, ISBN 0672324598); also available online here at Safari. I love how many topics this book covers, and the tools sure help to show how easy hacking is becoming.
Essential Check Point FireWall-1® NG: An Installation, Configuration, and Troubleshooting Guide by Dameon D. Welch-Abernathy (Addison-Wesley, 2004, ISBN 0321180615); also available online here at Safari. This is written by one of the best-recognized Check Point experts. If your organization has Check Point, your bookshelf must have this title.
CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide by Christian Degu and Greg Bastien (Cisco Press, 2003, ISBN 1587200678); also available online here at Safari. Excellent book that highlights PIX strengths very well.
Firewalls and Internet Security: Repelling the Wily Hacker, Second Edition by William Cheswick et al. (Addison-Wesley, 2003, ISBN 020163466X); also available online here at Safari. Considered must-have reading for anyone serious about being a firewall professional.
TCP/IP Illustrated, Volume 1: The Protocols, Second Edition by W. Richard Stevens (Addison-Wesley, 1993, ISBN 0201633469); also available online here at Safari. One of the best books on IP ever written.