Al hacer
nmap localhost lo que me sale es lo siguiente:
Starting nmap 3.81 ( http://www.insecure.org/nmap/ ) at 2005-12-22 13:43 CET
Interesting ports on localhost (127.0.0.1):
(The 1657 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
25/tcp open smtp
80/tcp open http
111/tcp open rpcbind
443/tcp open https
901/tcp open samba-swat
6000/tcp open X11
Saludos