pfSense and OPNsense Firewall Engineering: A Complete Hands On Guide to Secure Infrastructure, IDS/IPS, Traffic Shaping, Zero Trust Networking (Modern Infrastructure Mastery Series)

pfSense & OPNsense Firewall Engineering is a complete, professional guide to building secure, scalable, and high-availability networks using the two leading open-source firewalls in the world. Tailored for network engineers, cybersecurity professionals, homelab builders, and IT administrators, this book delivers practical mastery across routing, VLAN segmentation, VPN design, policy-based security, DHCP/DNS infrastructure, high-availability CARP, and advanced IDS/IPS using Suricata and Zeek.
From installation to enterprise deployment, you will learn how to configure firewalls for zero-trust environments, optimize throughput, implement multi-WAN failover, harden interfaces, automate security updates, and design secure networks for both home and corporate environments.
With real-world examples and production-ready workflows, this book is your authoritative guide to modern firewall security using pfSense and OPNsense.