OpenBSD
Running as a router/firewall OS on PC Engines APU2 hardware, Running as a router/firewall OS on MIPS-based Ubiquiti EdgeRouter Lite hardware
It is a highly reliable OS for specific firewall/router hardware, but performance depends on proper driver support for your device.
Network routing on a Ubiquiti EdgeRouter Lite when requiring high performance without proprietary firmware blobs
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FIRST-HAND READS
What people reported, in their own words. Every line links to where it was said.
“you can imagine my disappointment when I discovered what a pain in the ass it is to get a pflow producer working on linux after doing the first one on openbsd”
POSITIVE · ease of use · Hacker News · 2026-07-08
“I reported that since I felt it was clear that OpenBSD folks would obviously care about it, exploitable or not”
MIXED · Hacker News · 2026-05-20
“your Lenovo laptop likely will give you a more "out of the box" experience on OpenBSD compared to FreeBSD with things like simple wifi setup, sound often doing the right thing”
MIXED · ease of use · Hacker News · 2026-05-19
“Modern systems (OpenBSD does especially well here among POSIX systems) don't have a "heap" like a damn PDP-11.”
POSITIVE · features · Hacker News · 2026-01-18
“OpenBSD's softraid stack doesn't care much about what the underlying hardware is as long as it looks like a disk and talks like a disk.”
POSITIVE · features · Hacker News · 2025-04-19
“choosing to run OpenBSD where I can - their FDE[4] is orders of magnitude simpler/easier to audit than the bloody mess that is UEFI-shim+GRUB+Linux+initrd+cryptsetup”
POSITIVE · ease of use · Hacker News · 2024-09-05
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