OPNsense Archives

Networking tutorial - IT technology blog

OPNsense High Availability with CARP and pfsync: Dual-Node Redundancy Guide

November 3, 2026

Learn how to build an active-passive firewall cluster using OPNsense, CARP, and pfsync. This guide covers interface configuration, XMLRPC synchronization, and failover verification based on real production experience.

HomeLab

Install and Configure OPNsense on Proxmox VE: Multi-VLAN Routing, Zenarmor, and Hardened HomeLab Security

October 18, 2026

Deploy virtualized OPNsense on Proxmox VE using VLAN-aware Linux bridges, strict inter-VLAN firewall rules, and Zenarmor Next-Gen inspection to secure your homelab.

HomeLab

Supercharge Your Home Network: Building a Powerful Router & Firewall with pfSense/OPNsense

March 22, 2026

Tired of your consumer router's limitations and security gaps? Discover how pfSense or OPNsense can transform your home network into a robust, secure, and highly configurable powerhouse, ideal for any HomeLab enthusiast. This guide covers essential setup, key features, and practical configuration examples.