Connection via RDP is supported even without using a standard port.
Connection via RDP is supported even without using a standard port.
There seems to be unauthorized access through the RDP port 3391 despite security measures. The issue might stem from misconfigurations or vulnerabilities in the network setup. Check firewall rules, RDP settings, and ensure no open ports are allowing connections from unknown IPs.
Which additional ports are accessible over the network? Keeping RDP and SMB closed is safe, even with a firewall in place.
It appears someone has configured port forwarding in your firewall. This is not ideal for allowing RDP access over the internet.