Networking & VPN SeriesNew part
pfSense and OPNsense Firewalls
Choosing, building, and tuning a mini-PC firewall with pfSense or OPNsense: hardware picks, the OPNsense vs pfSense decision, and the Intel i226-V fix.

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Part 1 of 3
Best pfSense and OPNsense Hardware: Fanless Mini-PC Firewall Boxes
Before you buy a box to run pfSense or OPNsense, settle one question: how fast is the link you are actually protecting, and what do you…
14 min read·Jun 2026
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Part 2 of 3
OPNsense vs pfSense on a Mini PC: Throughput, IDS, and WireGuard
Both firewalls run the same FreeBSD packet filter, so on a mini-PC the raw speed numbers come out nearly identical and the real decision lives somewhere…
13 min read·Jun 2026
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Part 3 of 3
Fix Intel i226-V Random NIC Drops on OPNsense
You buy a fanless N100 or N305 mini-PC, load OPNsense onto it, and everything looks perfect until the WAN drops for a few seconds in the…
6 min read·Jun 2026