> nmap -p1-65535 192.168.10.3

Starting Nmap 5.21 ( http://nmap.org ) at 2011-10-04 02:46 EEST
Nmap scan report for 192.168.10.3
Host is up (0.00028s latency).
Not shown: 65530 closed ports
PORT      STATE SERVICE
22/tcp    open  ssh
80/tcp    open  http
111/tcp   open  rpcbind
443/tcp   open  https
50496/tcp open  unknown

Nmap done: 1 IP address (1 host up) scanned in 1.70 seconds