node_listen.js

// Listens on a port and just prints whatever it receives.
// Very useful for debugging

var net = require('net'),
    sys = require('sys');

var server = net.createServer(function (stream) {
  stream.setEncoding('utf8');
  
  stream.addListener('connect', function () {
    sys.puts('----CONNECT----');
  });
  
  stream.addListener('data', function (data) {
    sys.puts(data);
  });
  
  stream.addListener('end', function () {
    sys.puts('----DISCONNECT----');
    stream.end();
  });
});

// I was using port 5984, CouchDB's. Change to whatever you need.
server.listen(5984, 'localhost');