TCP
RDP
What port 3389 is used for
Remote Desktop Protocol — Windows remote desktop.
Security considerations
Frequent ransomware target. Use VPN + NLA + MFA.
Check if port 3389 is open on any host:
Open Port Scanner →Remote Desktop Protocol — Windows remote desktop.
Frequent ransomware target. Use VPN + NLA + MFA.
Check if port 3389 is open on any host:
Open Port Scanner →