Hi, yes, all is clear. I understand about the firewall, but I though you can also limit access (to allow only single IP remote access) from the dude itself. On the remote server, I have allowed 0.0.0.0/0 - which enabled the main server to connect. But, when I change the 0.0.0.0/0 to 10.0.0.0/24 (whi...