The third part on the Tor project&#x27;s blog at <a href="https:&#x2F;&#x2F;blog.torproject.org&#x2F;blog&#x2F;facebook-hidden-services-and-https-certs" rel="nofollow">https:&#x2F;&#x2F;blog.torproject.org&#x2F;blog&#x2F;facebook-hidden-services-an...</a> describes this well.<p>Check out mapgrep&#x27;s comment on another thread below for a more in depth answer, too.