net.js

var net = require('net'); // Store net module in net variable

var server = net.createServer(function (socket) { // create a netserver using createServer() function.
  socket.write('Information \r\n'); // Write information of the client.
  socket.pipe(socket); // connect to socket
});

server.listen(1337, '127.0.0.1'); // port and host running on.