Configuration
OPNsense Traffic Shaping and QoS Explained: FQ-CoDel
How OPNsense shapes traffic with pipes, queues and rules on dummynet, why FQ-CoDel fixes bufferbloat, and wha…
OPNsense Router: hardware sizing, VPN protocol choice and WireGuard troubleshooting
Open Source Firewall Routing, Suricata Intrusion Defense & WireGuard VPN Architecture
OPNsense Router
Independent · 2026
Independent · 2026
Multi-WAN
Multi WAN Inbound Load Balance: DNS, BGP or a Proxy
Your router can't steer inbound connections. How to balance them across two WANs on OPNsense with health-checked DNS, a proxy front end, or BGP.
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Networking
OPNsense WireGuard Site to Site Tunnel: Routing Setup
Connect two OPNsense networks with WireGuard, preserve IoT isolation, configure Allowed IPs and firewall rule…
Hardware
OPNsense Requirements: Minimum and Recommended Hardware
OPNsense needs a 64-bit x86 CPU and 3 GB RAM at minimum, 8 GB and a 120 GB SSD recommended. See how states, S…
VPN
WireGuard vs OpenVPN vs IPsec on OPNsense
Compare WireGuard, OpenVPN and IPsec on OPNsense by cryptography, roaming, CPU cost and interoperability, and…
Troubleshooting
OPNsense WireGuard Setup Problems: Handshake, NAT, MTU
Fix an OPNsense WireGuard tunnel that won't connect: read the handshake, then check the WAN rule, keys, allow…