justin-p

const net = require('net')
net.createServer(client => {
	client.once('data', data => {
		client.write(Buffer.from([5, 0]));

		client.once('data', data => {
			data = [...data];
			let ver = data.shift();
			let cmd = data.shift(); //1: connect, 2: bind, 3: udp
			let rsv = data.shift();