Answers for "close port 3000 windows"

how to close port 3000 running

### For Linux/Mac OS search (sudo) run this in the terminal:
$ lsof -i tcp:3000
$ kill -9 PID

### On Windows:
netstat -ano | findstr :3000
tskill typeyourPIDhere 

### change tskill for taskkill in git bash

kill process running on port in windows

netstat -ano | findstr :8080
taskkill /PID <yourid> /F

close all localhost connections

netstat -ano | findstr :yourPortNumber

taskkill /PID typeyourPIDhere /F