Sort of a hack, but this:
Code:
# nmap -p 20,21 192.168.0.*
seems to work for me, as long as FTP is on the standard port. I don't have FTP but:
Code:
# nmap -p 22 192.168.0.*
returns:
Code:
Starting nmap 3.93 ( http://www.insecure.org/nmap/ ) at 2005-10-22 14:12 PDT
Interesting ports on vyvyan.badcomputer.org (192.168.0.10):
PORT STATE SERVICE
22/tcp open ssh
Interesting ports on nina.badcomputer.org (192.168.0.100):
PORT STATE SERVICE
22/tcp open ssh
Interesting ports on virgo.badcomputer.org (192.168.0.102):
PORT STATE SERVICE
22/tcp open ssh
Nmap finished: 256 IP addresses (3 hosts up) scanned in 2.408 seconds