Command (Scanning open ports of a LAN server):
$ sudo nmap -sT -P0 -p 1-65535 192.168.0.6
Password:
Result:
Starting Nmap 7.12 ( https://nmap.org ) at 2016-07-16 16:34 JST
Nmap scan report for 192.168.0.6
Host is up (0.0064s latency).
Not shown: 65534 closed ports
PORT STATE SERVICE
22/tcp open ssh
Nmap done: 1 IP address (1 host up) scanned in 34.09 seconds
Command (Scanning open ports of a remote server):
$ sudo nmap -sT -P0 -p 1-65535 remote.servername.com
Result:
Starting Nmap 7.12 ( https://nmap.org ) at 2016-07-16 16:36 JST
Nmap scan report for remote.servername.com (150.000.000.00)
Host is up (0.053s latency).
rDNS record for 150.000.000.00: ik1-000-00000.vs.hostingservice.ne.jp
Not shown: 65533 filtered ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp closed http
Nmap done: 1 IP address (1 host up) scanned in 436.18 seconds