Simplest way to implement parental control in Qujing.

gistfile1.js

var http = require('http');

var server = http.createServer(onRequest);

function onRequest (req, res) {
  res.writeHead(403, 'You are forbidden to visit this page due to Qujing\'s parental control.');
  res.write('You are forbidden to visit this page due to Qujing\'s parental control.');
  res.end();
}

server.listen(60001);