Go ahead, set up a #pfSense box. There's a live .iso file that can perform an install. https://www.pfsense.org/download/ The box doesn't need much HD space (mine uses 2% of 70GiB - ufs) or RAM (mine uses 21% of 700 MiB). Needed more than a 700 MHz CPU tho. Now using 3% of a AMD Sempron(tm) Processor 3400+