Network Security Firewalls and VPNs 4th edition by Kinsey

Network Security Firewalls and VPNs, 4th edition by Kinsey, offers a practical guide to securing networks through perimeter defense, remote access controls, and encrypted communications. Published by Jones & Bartlett Learning, this textbook introduces firewall technologies, VPN concepts, network protocols, security policies, threat mitigation, and implementation considerations for modern IT environments. Students learn how security tools work together to protect data, manage access, and reduce risk across organizational networks. Designed for cybersecurity and information technology courses, it supports both conceptual understanding and applied decision-making in network defense.