OPNsense and pfSense Networking: A Practical Guide to Firewall Configuration, VLAN Segmentation, VPN Access, Routing, Security, and Network Administra

By JOHN ERIC KEVIN

OPNsense & pfSense Networking

Build, configure, secure, and manage modern firewall networks through practical, hands-on guidance.

Firewalls are only useful when you know how to design them, configure them correctly, and verify that they are actually protecting your network. OPNsense & pfSense Networking takes a practical approach to firewall and network administration, guiding you from initial planning and installation through segmentation, routing, VPN connectivity, security hardening, troubleshooting, and advanced network operations.

Rather than focusing on isolated commands or theory, this book follows a structured networking journey that shows how the major components work together in a real-world environment. OPNsense and pfSense are presented side by side where their configuration approaches differ, helping you understand the underlying networking concepts while becoming familiar with both platforms.

Inside this book, you will find:

Practical OPNsense and pfSense configuration - Build a working firewall environment and establish a solid configuration foundation.

VLAN segmentation - Design separated networks for users, servers, guests, management, DMZs, and testing environments.

Firewall rules, routing, and NAT - Control traffic, create deliberate security policies, configure routes, and manage network address translation.

Secure VPN connectivity - Understand and configure remote-access and site-to-site VPN environments.

Network security and hardening - Strengthen administrative access, segmentation, authentication, monitoring, and security controls.

Troubleshooting and diagnostics - Learn systematic approaches for diagnosing connectivity, DNS, DHCP, VLAN, routing, NAT, firewall, and VPN problems.

Backup, maintenance, and advanced networking - Manage configurations, recover from failures, perform updates, monitor systems, and explore multi-WAN, IPv6, traffic shaping, and resilience.

Whether you are building a virtual networking lab, developing practical firewall administration skills, managing a small network, or expanding your knowledge of open-source firewall platforms, this book provides a structured path from planning and configuration to verification, security, troubleshooting, and ongoing administration.

Build the network. Understand the traffic. Secure the environment. Master the workflow.

Buy your copy today and start building your practical OPNsense and pfSense networking skills.

• Format: Paperback
• Language: English
• ISBN: B0HKM9PYZJ
• ISBN13: 9798176270129
• Release Date: September 2026
• Publisher: Independently Published
• Length: 368 Pages
• Weight: 1.08 lbs.
• Dimensions: 0.8" x 6.0" x 9.0"