pfSense vs. OPNsense: Which Firewall is Best for You?
When I first wrote this pfSense vs. OPNsense comparison in 2024, my conclusion was that you could pick either firewall and be happy. That's still true, but it isn't the…
OPNsense Tutorials & Guides
A growing collection of in-depth tutorials and comparisons on OPNsense based on real-world daily usages. Whether you’re configuring a new network, or optimizing performance, these guides follow best practices to help you get the most out of OPNsense.
A growing collection of in-depth tutorials and comparisons on OPNsense based on real-world daily usages. Whether you’re configuring a new network, or optimizing performance, these guides follow best practices to help you get the most out of OPNsense.
OPNsense Hardware (2026): Best Picks and How Much You Need
The best OPNsense hardware for most people is a fanless four-port box with Intel 2.5GbE ports, and the Protectli Vault V1410 is the one I'd point you to first. The…
OPNsense Dynamic DNS (DDNS): DuckDNS Setup That Updates
OPNsense dynamic DNS runs through the os-ddclient plugin, and with DuckDNS the setting to get right is where the token goes: it belongs in Password, and Username stays empty. Install…
How to Set Up Tailscale on OPNsense (Plugin, No SSH Needed)
Tailscale on OPNsense is a plugin now, so you don't need SSH, a root login or a ports build to get it running. On OPNsense 24.7.11 and later, the Tailscale…
OPNsense vs. OpenWrt in 2026: Which One I’d Run
I've run OPNsense as a VM on my Proxmox server, I ran pfSense on dedicated hardware for a few years, and I've flashed OpenWrt onto a few routers over the…
OPNsense VLAN Setup: Create, Assign, DHCP and Firewall Rules
OPNsense VLAN setup comes down to four steps: create the VLAN on a parent interface under Interfaces > Devices > VLAN, assign it as an interface with its own subnet,…
OPNsense Port Forwarding: Destination NAT Setup (26.1+)
OPNsense port forwarding was renamed in 26.1, and the page is now Firewall > NAT > Destination NAT. A working forward takes two pieces: the Destination NAT rule that redirects…
How to Set Up WireGuard in OPNsense
In this tutorial, we're going to look at how to set up WireGuard in OPNsense. WireGuard is a fairly new VPN protocol that is fast, simple, and lean when compared…
How to Install OPNsense on Proxmox, With or Without a Spare NIC
You can install OPNsense on Proxmox in two ways: pass a physical network card's ports straight through to the virtual machine, or give the VM virtual network cards on Linux…