anonymous@anonymous:/tmp$ nmap 192.168.0.1

Starting Nmap 4.20 ( http://insecure.org ) at 2008-04-19 14:27 MSD
Interesting ports on 192.168.0.1:
Not shown: 1694 closed ports
PORT     STATE SERVICE
23/tcp   open  telnet
80/tcp   open  http
5190/tcp open  aol

Nmap finished: 1 IP address (1 host up) scanned in 14.406 seconds
anonymous@anonymous:/tmp$

Вопрос. Почему открыт последний порт? В настройках про него ни одного слова.