NMAP is an excellent network vulnerabilty assessment tool and a new version is now available:


QUOTE: Nmap 6.01 source code and binary packages for Linux, Windows, and Mac are available at:

Here are the changes in 6.01:

o [Zenmap] Fixed a hang that would occur on Mac OS X 10.7. A symptom of the hang was this message in the system console: 

o [Zenmap] Fixed a crash that happened when activating the host filter.   

o Fixed an error that occurred when scanning certain addresses like on Windows XP:   

o Fixed a bug that caused Nmap to fail to find any network interface when   at least one of them is in the monitor mode. o Fixed the greppable output of hosts that time-out

o [Zenmap] Updated the version of Python used to build the Windows release from 2.7.1 to 2.7.3 to remove a false-positive security alarm flagged by tools such as Secunia PSI.