xeno:~# nmap -A 192.168.77.2 -S 192.168.77.1 WARNING: If -S is being used to fake your source address, you may also have touse -e and -P0 . If you are using it to specify your real source address, you can ignore this warning. Starting nmap 3.81 ( http://www.insecure.org/nmap/ ) at 2006-07-30 15:57 CEST Interesting ports on 192.168.77.2: (The 1662 ports scanned but not shown below are in state: closed) PORT STATE SERVICE VERSION 22/tcp open ssh? MAC Address: 00:0C:29:BC:BA:E2 (VMware) Device type: general purpose Running: Sun Solaris 9 OS details: Sun Solaris 9 with TCP_STRONG_ISS set to 2 Uptime 0.008 days (since Sun Jul 30 15:48:45 2006) Nmap finished: 1 IP address (1 host up) scanned in 142.432 seconds