antonio@hack4free:~$ nmap -P0 -sT -p 1-6000 189.128.188.237
Starting Nmap 4.76 ( http://nmap.org ) at 2010-01-02 13:06 CET
Interesting ports on dsl-189-128-188-237-dyn.prod-infinitum.com.mx (189.128.188.237):
Not shown: 5998 filtered ports
PORT STATE SERVICE
1863/tcp open unknown
5190/tcp open aol
[\code]
no lo tienes abierto, has aplicado los cambios en el router??