OpenVPN Protocol

VPNs use a variety of different protocols. In short, these protocols are the different methods they use to tunnel data to and from users and the network. If you would like to know more about the different types of protocols, then you can read a short guide to some of the protocols used by VPNs by clicking this link.


Today we’ll be discussing one kind of VPN and in particular though;  OpenVPN.

OpenVPN is much like other VPNs, but it is an open source piece of software you can get for free. It offers uses a simplified security framework, a modular network design and cross-platform portability. The protocol used by OpenVPN is a customary combination of the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols (you can read more about these by clicking on the link above). This means that as a VPN it is able to cross Network Address Translators (NATs) and firewalls.

Through its protocol, OpenVPN allows peers to authenticate one another. This is done by the using a shared key (shared prior to the authentication process), certificates, or by using usernames and passwords. For less technically inclined, a common use of OpenVPN is by gamers who are accessing Local Are Network (LAN) games over the internet.

Because OpenVPN is an SSL VPN, it is not compatible with IPSec, L2TP, or PPTP. However, a big advantages of OpenVPN’s particular protocol is that it is highly portable. It is also extremely easy to set up, and is also highly compatible with NAT and dynamic addresses. Essentially, OpenVPN’s design sheds many of the complexities that characterize other VPNs. By basing its protocol model on SSL, it is highly secure as this is actually the industry standard for securing internet communications. It also implements either Open Systems Interconnection (OSI) layer 2 or 3 secure network extension through its SSL/TLS protocol.

That’s it for our rough guide to OpenVPN and the specifics of its protocol. For more information about protocols and all things VPN, visit the Hidemyass site by clicking the button below:

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