"December's release of Nmap 4.50 marked the popular
port-scanning tool's tenth anniversary. The 4.50 release includes
Zenmap, a cross-platform GUI front end for Nmap which includes a
command creation wizard, a scripting engine, and a host of other
improvements. Zenmap makes it easier than ever to use Nmap.
"Port scanners are security auditing tools that allow you to
discover hosts and the ports they have open on your LAN or across