http://ciisqbg45nggykdl6rjdrq3wc64csga4vkphu66qsi65mypeitqedoad.onion/blog/pq-openvpn
Everything seems to be working as expected, so we're announcing them now. A brief overview of OpenVPN encryption OpenVPN secures the VPN tunnel using four key mechanisms: Authentication – The CA certificate (between <ca> and </ca> in the configs) is used by the client to verify the server's identity, which stops an attacker from impersonating the server during a man-in-the-middle attack.