neo@shenzhen:~/doc/Linux/xhtml$ nmap localhost

Starting Nmap 4.20 ( http://insecure.org ) at 2007-11-19 05:20 EST
Interesting ports on localhost (127.0.0.1):
Not shown: 1689 closed ports
PORT     STATE SERVICE
21/tcp   open  ftp
22/tcp   open  ssh
25/tcp   open  smtp
80/tcp   open  http
139/tcp  open  netbios-ssn
443/tcp  open  https
445/tcp  open  microsoft-ds
3306/tcp open  mysql