Realizar un escaneo de puertos básico (nmap -F dream-studios.net)
Nmap scan report for dream-studios.net (78.46.21.210)
Host is up (0.15s latency).
rDNS record for 78.46.21.210: commonprod01.server.dream-studios.net
Not shown: 86 filtered ports
PORT STATE SERVICE
22/tcp open ssh
25/tcp open smtp
80/tcp open http
110/tcp open pop3
143/tcp open imap
443/tcp open https
465/tcp open smtps
587/tcp open submission
993/tcp open imaps
995/tcp open pop3s
3000/tcp open ppp
8000/tcp closed http-alt
8080/tcp closed http-proxy
8443/tcp closed https-alt
Nmap done: 1 IP address (1 host up) scanned in 14.11 seconds