I just added an OpenBSD firewall in bridge mode between my Comcast router and the rest of my network. It's implemented on a Shuttle DS57U (dual-core 1.5GHz Broa

I just added an OpenBSD firewall in bridge mode between my Comcast router and the rest of my network. It's implemented on a Shuttle DS57U (dual-core 1.5GHz Broadwell Celeron 3205U), with 16GB Crucial DDR3L RAM and a 128GB Crucial SSD (leftover parts). Total price: $358. It's a pretty sweet box: fanless, metal chassis, dual Intel Gigabit Ethernet. The only (minor) quibble is the CPU doesn't have AES-NI.