Take Control of Your Network Perimeter-Without Vendor Lock-In pfSense and OPNsense in Action is your complete guide to mastering open-source firewall and routing solutions. From your first install to production-grade deployments, this book delivers crystal-clear explanations, detailed configuration walkthroughs, and realistic hands-on projects that bring theory to life.
Built for engineers, system administrators, and curious learners alike, it distills decades of real-world networking practice into reproducible, lab-tested exercises. You'll gain practical experience through projects that cover:
- Virtual firewall labs: VMware, VirtualBox, and Proxmox setups
- Secure remote access: OpenVPN and WireGuard configuration
- Multi-WAN design: Load balancing and failover techniques
- VLAN segmentation: Policy routing and access control
Enterprise-grade features: CARP high availability, IDS/IPS tuning, and more
Why Readers Love This Book - Practical, project-first approach: Every chapter concludes with a complete, runnable project to reinforce key concepts.
- Dual-platform mastery: Side-by-side guidance for both
pfSense and OPNsense, including migration steps and feature parity checks.
- Automation and observability: Learn API workflows, Python scripting, and integration with
Grafana, Zabbix, and
Prometheus for real-time monitoring and analytics.
- Security-focused framework: Deploy and fine-tune
Suricata/Snort, integrate
CrowdSec, and apply hardened configuration patterns to minimize attack surfaces.
- Real deployment scenarios: Explore solutions for
home labs, SMB gateways,
cloud, and
enterprise environments-with cost, hardware, and performance optimization tips.
Who This Book Is For Network administrators, security engineers, DevOps practitioners, IT managers, and serious hobbyists seeking a hands-on, modern, and vendor-independent approach to building resilient network infrastructures.
- What You'll Walk Away With - A complete set of
deployable firewall blueprints- Tested
automation scripts and
VPN design templates- Comprehensive
IDS/IPS tuning guides- Field-proven
troubleshooting checklists- Best practices for scaling, securing, and maintaining open-source firewall environments