Realizar un escaneo de puertos básico (nmap -F activu.com)
Nmap scan report for activu.com (141.193.213.21)
Host is up (0.00092s latency).
Other addresses for activu.com (not scanned): 141.193.213.20
Not shown: 96 filtered tcp ports (no-response)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
8080/tcp open http-proxy
8443/tcp open https-alt
Nmap done: 1 IP address (1 host up) scanned in 3.07 seconds