OpenVPN is a popular protocol to use because it’s open source and free. There are a few more exotic variants around, of course, but most VPN providers will use a combination of these. Common VPN Protocolsīelow you’ll find the most common protocols we’ve come across. In doing so, our hope is that you’ll learn why to use OpenVPN when configuring a VPN for a router and IKEv2 when using one on your phone. Even so, we’re going to run through the common protocols available to you and the different use cases for them. Given how easy VPNs are to use, though, it’s unlikely you’ll notice or care to change your protocol. Those differences are why the best VPN providers include multiple protocol options. Platform support is important, as well as where and when the encryption happens in the communication chain. Unfortunately, like most networking topics, it’s not that simple. VPN protocols are a form of network protocol, meaning they bring together the requirements for establishing a connection between two devices. On a practical level, the choice in protocol comes down to how you want to balance security and speed. For example, a more sophisticated level of encryption will protect your connection more, but it won’t be as fast as a protocol that’s using less secure encryption. Though encryption type is the main difference between protocols, it affects other aspects of using a VPN, too. Depending on the protocol you use, you’ll connect to the VPN over different ports and with varying levels of security. The type and level of encryption is determined by the security protocol. The connection to that server is encrypted, too, meaning none of your web-based requests can be seen by the outside world. What Are VPN Protocols?Ī virtual private network secures and anonymizes your internet connection by connecting you to a remote server before launching websites. Before getting to the specifics, though, we have to define what a VPN protocol is. There are many networking protocols, so we’ve done the research and condensed our list to the VPN protocols you’re likely to see in your application. In this VPN protocol breakdown, we’re going to clear up the confusion.
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