9006/tcp filtered unknown
nc -v 212.192.126.81 80<br>
Connection to 212.192.126.81 80 port [tcp/http] succeeded!
nmap -PN ip -p80
nmap -PN ip -p81
Host is up (0.0017s latency).
PORT STATE SERVICE
80/tcp open http
Host is up.
PORT STATE SERVICE
81/tcp filtered hosts2-ns