Answers for "how to stop a port from listening in windows"

windows kill port

netstat -ano | findstr :3001
taskkill /PID <yourid> /F

how to stop an application on a port

npx kill-port 8080

close all localhost connections

netstat -ano | findstr :yourPortNumber

taskkill /PID typeyourPIDhere /F

stop port

kill -9 $(sudo lsof -t -i:'portName')
//Ex. if portname is 3000
//then we will execute "kill -9 $(sudo lsof -t -i:3000)"