They simply want to make sure you're running the right equipment:

http://www.theguardian.com/books/2014/may/12/glenn-greenwald-nsa-tampers-us-internet-routers-snowden

���Always eyes watching you and the voice enveloping you. Asleep or awake, indoors or out of doors, in the bath or bed- no escape. Nothing was your own except the few cubic centimeters in your skull.�����
�����George Orwell,��1984