opensource.com Firewall your home network with a Raspberry Pi opensource.com I used Raspberry Pi 2 Model B, but a Raspberry Pi 3 should also work. I powered the Pi from a spare Kindle 5V 1.8A USB power block on a standard household extension cord that I plugged into a UPS to provide consistent power.

Here is the original post:
Firewall your home network with a Raspberry Pi – opensource.com