Coba jelasin Contoh dari Nmap dong

Starting Nmap 6.47 ( https://nmap.org ) at 2014-12-29 20:02 CET

Nmap scan report for scanme.nmap.org (74.207.244.221)

Host is up (0.16s latency).

Not shown: 997 filtered ports

22/tcp   open  ssh        OpenSSH 5.3p1 Debian 3ubuntu7.1 (Ubuntu Linux; protocol 2.0)

80/tcp   open  http       Apache httpd 2.2.14 ((Ubuntu))

|_http-title: Go ahead and ScanMe!

9929/tcp open  nping-echo Nping echo

Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port

Running (JUST GUESSING): Linux 2.6.X|3.X|2.4.X (94%), Netgear RAIDiator 4.X (86%)

OS CPE: cpe:/o:linux:linux_kernel:2.6.38 cpe:/o:linux:linux_kernel:3 cpe:/o:netgear:raidiator:4 cpe:/o:linux:linux_kernel:2.4

Aggressive OS guesses: Linux 2.6.38 (94%), Linux 3.0 (92%), Linux 2.6.32 - 3.0 (91%), Linux 2.6.18 (91%), Linux 2.6.39 (90%), Linux 2.6.32 - 2.6.39 (90%), Linux 2.6.38 - 3.0 (90%), Linux 2.6.38 - 2.6.39 (89%), Linux 2.6.35 (88%), Linux 2.6.37 (88%)

No exact OS matches for host (test conditions non-ideal).