NodeJS UDP/IPv6 simple server listen example

udp_receive.js

var PORT = 4000;

//var HOST = 'ip6-localhost';
var HOST = 'fdd5::1';

var dgram = require("dgram");

var server = dgram.createSocket("udp6");

server.on("error", function (err) {
  console.log("server error:\n" + err.stack);
  server.close();
});

server.on("message", function (msg, rinfo) {
  console.log("server got: " + msg + " from " +
    rinfo.address + ":" + rinfo.port);
});

server.on("listening", function () {
  var address = server.address();
  console.log("server listening " +
      address.address + ":" + address.port);
});

server.bind(PORT);