General Information

ProtonVPN supports most popular Internet browsers. However, ProtonVPN uses cutting-edge technology that is only supported in the latest versions of these browsers. To maintain the level of security expected by our users, we occasionally need to drop support for outdated browser versions that do not have the security features we […]

  Peer-to-Peer is a network protocol for computer users that allows to search and download content. Because of the unique structure of the network, it is very efficient for downloading large files. On a Peer-to-Peer network, when a user is searching for a specific file, the installed software is locating […]

In order to respect our users’ privacy, ProtonVPN enforces a strict no-logs policy. This means we keep no session usage logs of what you do online, and we do not log metadata that can compromise your privacy.  We don’t log which websites you visit We don’t log your traffic or […]

ProtonVPN is a service provided by Proton Technologies AG, an employee-owned company based in Switzerland. Proton was founded in 2014 by a team of scientists who met at CERN (the European Center for Nuclear Research) and created ProtonMail, the world’s largest encrypted email service. Proton employees hold the vast majority […]

Occasionally, you may find that the ProtonVPN server you always connect to has been removed.  At ProtonVPN, we continuously upgrade our servers to ensure the best performance and stability. These investments are what make ProtonVPN consistently the fastest VPN service. This means that we will periodically retire old VPN servers. […]

With each new release of a ProtonVPN app, there are improvements, bug fixes, and new features that improve the user experience. It is therefore essential to always update your ProtonVPN apps to the latest version. Additionally, if you need assistance with any of our apps, it’s very important to share […]

You can access ProtonVPN using two sets of credentials, your ProtonVPN login credentials, and OpenVPN / IKEv2 credentials. This article explains the difference between Proton credentials and OpenVPN / IKEv2 credentials, what they are used for, and where you can find them. Proton credentials Your Proton credentials are the username […]

OpenVPN is a VPN protocol. A VPN protocol, or a “tunneling protocol,” is the set of instructions your device uses to negotiate the secure encrypted connection that forms the network between your computer and another.  OpenVPN uses SSL/TLS to handle its key exchange, has no known vulnerabilities, supports Perfect Forward […]

Internet speed or how fast data transfers in a network is calculated using different metrics: latency, bandwidth, and throughput.  This article aims to explain these metrics and how the TCP protocol — the way most data is transmitted over the Internet nowadays — impacts them.  Sending off your data packets […]

WireGuard is a new VPN protocol that is lightweight, fast, and secure. By default, there are some potential privacy issues with WireGuard, but ProtonVPN’s implementation of the protocol uses unique technical solutions to safeguard your privacy. Which implementation of WireGuard does ProtonVPN use? ProtonVPN uses a specially modified version of […]