Guide to Firewalls and VPNs is a comprehensive resource authored by Michael E. Whitman, published by Cengage Learning in its third edition on December 20, 2012. This book offers an in-depth exploration of firewall and virtual private network (VPN) technologies, providing readers with essential knowledge to understand, implement, and manage these critical security tools. The content is written in English and covers a wide range of topics including the architecture, functionality, deployment strategies, and best practices for both firewalls and VPNs. Ideal for professionals, students, and anyone interested in network security, this edition builds upon previous versions with updated information to ensure relevance in today’s technological landscape.