Hello,
I have a dedicated server with ProxMoX with one Windows Server VM inside it with a public IP.
Inside VM the port 1433 is open but it's filtered from node.
Firewall in ProxMoX (Datacenter, node, VM0 is disabled.
nmap 1.1.1.1 -p1433
Starting Nmap 6.40 ( http://nmap.org ) at 2020-08-12...