how to close a port in windows command line code example
Example: kill a port in windows cmd
netstat -ano | findstr "PORT_NUMBER"
taskkill /PID <ID_HERE> /f
//can be found on the last column next to LISTENING
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TCP 0.0.0.0:3000 0.0.0.0:0 LISTENING 24660
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!!
taskkill /PID 24660 /f