O'Berry, Brian books & textbook
Inside Network Perimeter Security: The Definitive Guide to Firewalls, Vpns, Routers, and Intrusion Detection Systems
Zeltser, Lenny Winters, Scott Frederick, Karen Kent Ritchey, Ronald W. Northcutt, Stephen Northcutt, Stephen Edmead, Mark T. Edmead, Mark T. Johnson, Neil F. O'Berry, Brian Martin, Daniel
Sams /2002T Paperback / 678 Pages
isbn-10: 0735712328 / isbn-13: 9780735712324
