changelog tutaj

http://download.insecure.org/nmap/dist/nmap-3.55.tar.bz2
http://download.insecure.org/nmap/dist/nmap-3.55-1.i386.rpm
http://download.insecure.org/nmap/dist/nma...3.55-1.i386.rpm
http://download.insecure.org/nmap/dist/nmap-3.55-win32.zip

PS wersja pod winde wymaga WinPcap (najnowsza beta ponziej):
http://winpcap.polito.it/install/bin/WinPcap_3_1_beta_3.exe