Few are more intriguing to me than port knocking. As a global security plug-in to protect services, it has a lot going for it and few downsides. However, for one reason or another, it suffers from ...

Fred Stluka from Bristle.com just introduced me to port knocking — a method of opening ports on a firewall by trying to connect with a series of ports in a pre-determined order. The sequence of ...