Kizza, J. M. (2015). Guide to computer network security (3rd ed.). Springer.
- Chapter 12: Firewalls
- 12.1 Definition
- 12.2 Types of Firewalls
- 12.3 Configuration and Implementation of a Firewall
- 12.4 The Demilitarized Zone (DMZ)
- 12.5 Improving Security Through the Firewall
- 12.6 Firewall Forensics
- 12.7 Firewall Services and Limitations