falscan is a script I’ve written in falcon that I translated from a ruby script by the name of pscan. The name pscan makes more sense but I wanted to emphasis that it was written in falcon, hence falscan. falscan is a port scanning utility that only works (presently anyway) on UNIX and unix like systems. I’ve only had the opportunity to personally test it on Mac OS X but there is no reason it shouldn’t function exactly same on any similar setup.
The only difference between falscan and pscan of any significance is that the ruby implementation of sockets appears to connect to hosts when the falcon implementation does not. I cannot explain that presently, but it’s something to consider.