Nmap 4.00 Released

NoExec writes "Hot off the nmap-hackers list comes news that the Nmap Security Scanner version 4.00 has been released. Dozens of major changes since 3.50 (2 years ago) are listed in the announcement. These include a rewritten (for speed and memory efficiency) port scanning engine, ARP scanning, a brand new man page and install guide, 'l33t ASCII art, runtime interaction, massive version detection improvements, MAC address spoofing, increased Windows performance, 500 new OS detection fingerprints, completion time estimates, and much more."