# nmap (V. 2.54BETA22) scan initiated Thu Apr 12 23:02:57 2001.
 
Warning:  OS detection will be MUCH less reliable because we did not find at least 1 open and 1 closed TCP port
Interesting ports on  (192.44.242.19):
(The 1540 ports scanned but not shown below are in state: filtered)
Port       State       Service
80/tcp     open        http                    
443/tcp    open        https                   

Remote OS guesses: NT Server 4.0 SP4-SP5 running Checkpoint Firewall-1, Windows NT4 / Win95 / Win98

# Nmap run completed at Thu Apr 12 23:43:45 2001 -- 1 IP address (1 host up) scanned in 2448 seconds