Video: How To Scan For—And Lock Down—Open Ports With WhatsUp PortScanner
Footprinting your environment is the first step to identifying ways in which intruders can penetrate your network. Thankfully, we offer a free utility that helps with precisely this task! In this Snip, Anthony Howell shows you how to use WhatsUp PortScanner to scan a host machine for open ports, then he'll show you how to harden your system using the host's firewall.