Firewalls and Internet Security: Repelling the Wily Hacker

Building Internet Firewalls: Internet and Web Security

Firewall Fundamentals

Hacking: The Art of Exploitation, 2nd Edition

The Practice of Network Security Monitoring: Understanding Incident Detection and Response

Thinking Security: Stopping Next Year's Hackers (Addison-Wesley Professional Computing Series)

TCP/IP Illustrated: The Implementation, Vol. 2

Blue Team Handbook: Incident Response Edition: A condensed field guide for the Cyber Security Incident Responder.

TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series)

Principles of Information Security

Defensive Security Handbook: Best Practices for Securing Infrastructure