On Windows 7, to add new firewall rules, or to modify the rules. To add a new firewall rule: netsh advfirewall firewall add rule name=”rdp-miles” dir=in localport=3389 action=allow remoteip=192.168.1.123,123.234.45.67/32 protocol=tcp To alter the firewall rule: netsh advfirewall firewall set rule name=”rdp-miles” new remoteip=192.168.1.0/24,123.234.45.67/32 To show the firewall rule netsh advfirewall firewall show rule name=”rdp-miles”