These systems here make pretty bad ass router/firewalls: https://www.pcengines.ch/apu2.htm https://www.pcengines.ch/apu2.htm I've been using them for years w/

These systems here make pretty bad ass router/firewalls: https://www.pcengines.ch/apu2.htm https://www.pcengines.ch/apu2.htm I've been using them for years w/out any issue. I just run standard Debian stable as well, with a few tweaks to make it more friendly for a read-only operating environment (to prevent wearing out the flash memory).