Nmap is an excellent analytical tool used in the past and the new version 6 has been officially released
QUOTE: May 21, 2012—The Nmap Project is pleased to announce the immediate, free availability of the Nmap Security Scanner version 6.00 from http://nmap.org/. It is the product of almost three years of work, 3,924 code commits, and more than a dozen point releases since the big Nmap 5 release in July 2009. Nmap 6 includes a more powerful Nmap Scripting Engine, 289 new scripts, better web scanning, full IPv6 support, the Nping packet prober, faster scans, and much more! We recommend that all current users upgrade.
- About Nmap
- Top 6 Improvements in Nmap 6
- Screen Shots
- Detailed Improvements
- Moving Forward (Future Plans)
- Download and updates