All articles
Independent OPNsense router guide: hardware sizing, firewall rule and NAT behaviour, state table memory, and choosing between WireGuard, OpenVPN and IPsec.
-
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.
-
OPNsense WireGuard Site to Site Tunnel: Routing Setup
Connect two OPNsense networks with WireGuard, preserve IoT isolation, configure Allowed IPs and firewall rules, and troubleshoot CGNAT
-
OPNsense Hardware Requirements: CPU, RAM & Storage
See the official OPNsense CPU, RAM and storage tiers, then size for gigabit routing, Suricata, VPNs, state tables and compatible NICs.
-
WireGuard vs OpenVPN vs IPsec on OPNsense
Compare WireGuard, OpenVPN and IPsec on OPNsense by cryptography, roaming, CPU cost and interoperability, and see which tunnel fits each job.
-
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, allowed addresses, outbound NAT, DNS and MTU.