Nmap

Title: Nmap

Publisher: Fyodor

Home Page: http://www.insecure.org/

License: GNU General Public License

Platforms: Windows XP Linux Unix

As its name implies, nmap is a network mapping utility. Provide nmap with a TCP/IP address, and it will identify any open "doors" or ports that might be available on that remote TCP/IP device. Be sure to check out my free online comprehensive guide to nmap!


Legend:
Windows XP Works with a flavor of Windows
Linux Works with most Linux flavors
Unix Works with BSD and other Unix flavors