root@server:/etc# nmap 192.168.0.56 -F
Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2008-02-07 18:48 MSK
Interesting ports on 192.168.0.56:
Not shown: 1223 closed ports
PORT STATE SERVICE
7/tcp open echo
9/tcp open discard
13/tcp open daytime
17/tcp open qotd
19/tcp open chargen
21/tcp open ftp
25/tcp open smtp
80/tcp open http
135/tcp open msrpc
139/tcp open netbios-ssn
443/tcp open https
445/tcp open microsoft-ds
1025/tcp open NFS-or-IIS
1027/tcp open IIS
1110/tcp open nfsd-status
2105/tcp open eklogin
MAC Address: 00:13:64:33:BD:44 (Paradigm Technology.)
Nmap finished: 1 IP address (1 host up) scanned in 29.899 seconds