Inside Network Perimeter Security: The Definitive Guide to Firewalls, VPNs, Routers, and Intrusion Detection Systems

by: Stephen Northcutt · Karen Frederick · Scott Winters · Lenny Zeltser · Ronald W. Ritchey Paperback details (United States). ISBN: 978-0-7357-1232-4 ISBN-10: 0-7357-1232-8 Sams · 2002