vs-stun NPMを使う
var stun = require('vs-stun'); var socket, server = { host: 'stun.l.google.com', port: 19302 } var callback = function callback ( error, value ) { if ( !error ) { socket = value; console.log(socket.stun); socket.close(); } else console.log('Something went wrong: ' + error); } stun.connect(server, callback);