Realizar un escaneo de puertos básico (nmap -F flushinc.com)
Nmap scan report for flushinc.com (192.254.186.41)
Host is up (0.031s latency).
rDNS record for 192.254.186.41: 192-254-186-41.unifiedlayer.com
Not shown: 86 closed tcp ports (reset)
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
25/tcp open smtp
26/tcp open rsftp
53/tcp open domain
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
3306/tcp open mysql
Nmap done: 1 IP address (1 host up) scanned in 0.50 seconds