How to open a range of ports in windows

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You have to run the following command from the command prompt.

To open TCP ports 7000 to 7777 naming each rule as 7000-7777-tcp-Port_num, run the following command
FOR /L %I IN (7000,1,7777) DO netsh firewall add portopening TCP %I "7000-7777-tcp"%I

To open UDP ports 7000 to 7777 naming each rule as 7000-7777-udp-Port_num, run the following command
FOR /L %I IN (7000,1,7777) DO netsh firewall add portopening UDP %I "7000-7777-udp"%I