upd

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...