rem %1 = udp server port rem %2 = http server port if [%1]==[] GOTO DONE netsh advfirewall firewall delete rule name="Port %1" protocol=UDP localport=%1 netsh advfirewall firewall add rule name="Port %1" dir=in action=allow protocol=UDP localport=%1 if [%2]==[] GOTO DONE netsh advfirewall firewall delete rule name="Port %2" protocol=TCP localport=%2 netsh advfirewall firewall add rule name="Port %2" dir=in action=allow protocol=TCP localport=%2 :DONE Exit