WTF are VPN Protocols?

Virtual Private Networks are compared in many aspects: some are judged by their speed, others by their server amount, and the reputation of all is put under the looking glass. But protocols are one of the most important parts of any VPN. They are technical and hard to understand without basic networking knowledge. VPN protocols can differ in the level of speed, security, and reliability, so let’s go over each of the three most popular and widely used VPN protocols out there. OpenVPN is balanced between a wide array of encryption algorithms and can evade port-level VPN blocking.