Nmap

• 사용 예

<syntaxhighlight lang="bash"> nmap ko.wikipedia.org </syntaxhighlight>

• 결과

Starting Nmap 6.00 ( http://nmap.org ) at 2014-06-09 00:24 EDT
Nmap scan report for ko.wikipedia.org (198.35.26.96)
Host is up (0.15s latency).
rDNS record for 198.35.26.96: text-lb.ulsfo.wikimedia.org
Not shown: 987 closed ports
PORT     STATE    SERVICE
22/tcp   open     ssh
80/tcp   open     http
135/tcp  filtered msrpc
139/tcp  filtered netbios-ssn
179/tcp  open     bgp
443/tcp  open     https
445/tcp  filtered microsoft-ds
1025/tcp filtered NFS-or-IIS
2869/tcp filtered icslap
4444/tcp filtered krb524
5666/tcp filtered nrpe
8649/tcp open     unknown
9898/tcp filtered monkeycom

Nmap done: 1 IP address (1 host up) scanned in 4.65 seconds