Networking
OPNsense WireGuard Site to Site Tunnel: Routing Setup
Connect two OPNsense networks with WireGuard, preserve IoT isolation, configure Allowed IPs and firewall rule…
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
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 what weights and masks really do.
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Hardware
OPNsense Hardware Requirements: CPU, RAM & Storage
See the official OPNsense CPU, RAM and storage tiers, then size for gigabit routing, Suricata, VPNs, state ta…
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…