title: is there a loopback interface in iOS (iPad, iPhone)?
body: <ol>
  <li><p>is there a loopback interface in iOS (iPad, iPhone)?</p></li>
  <li><p>And if yes, can it be used to securely communicate between two applications/threads within iOS?</p></li>
  <li><p>Will any other application run iOS can snoop and it data traffic over loopback interface between two applications?</p></li>
  </ol>