"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 the Internet..."
