<i>How does HTTPS help circumvent firewalls?</i><p>The firewall cannot do deep packet inspection on encrypted connections, since it cannot decrypt the data: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Deep_packet_inspection" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Deep_packet_inspection</a>