http://newosxbook.com/bonus/vol1ch16.html @howdidigethere thats the best answer ive ever heard. You must work for apple. Do you own any apple products? Or is it, giving people these types of answers makes you feel helpful. Please see what skywalk process is, its under Newtwork Interfaces (Darwin 15+) youll need to scroll down some, but please take time to read the whole Tcp, Nexuus, Interface, Tunneling, Processing terminolgy and information that is magnificently provided. I printed it!