Setup and use

You can support Proton by using the early-access versions of our Linux app and Linux CLI. You will gain access to new features before they are released publicly, and you can provide feedback to help us find and address bugs. Please be aware, though, that there may be security and […]

Proton VPN offers both an official Linux app with graphical user interface and an official Linux CLI. We strongly recommend using one of these tools in Linux. Get the official Linux app It is also possible to manually configure OpenVPN for Proton VPN in Linux. In this article, we explain how. You can […]

VPN Accelerator uses a combination of advanced VPN technologies to improve connection stability and, in some cases, increase your connection speed by over 400%.  VPN Accelerator is enabled by default for all users in our Windows, macOS, iOS, and Android apps. It can be enabled or disabled in each app’s […]

As discussed in Introducing Permanent Kill Switch for Windows, our Permanent Kill Switch feature prevents your device from connecting to the internet unless it is connected to a Proton VPN server. What is Permanent Kill Switch? Permanent Kill Switch ensures that you do not accidentally connect to the internet without […]

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 […]

The Proton VPN app for Android TV protects your privacy and allows you to access blocked and censored content while using your smart TV. It is available on the Amazon app store and is therefore very easy to install on your firestick or other Fire TV device without the need […]

This article provides instructions for setting up Proton VPN on a Synology NAS device running the DiskStation Manager (DSM)  operating system. It also includes an optional guide for sharing the Synology’s VPN connection with other devices on your LAN network. Prerequisites Synology DSM 6.2.x up and running. A computer on […]

The Proton VPN Android app is now available in several app repositories to ensure you can easily get Proton VPN for free on Android. Some of these repositories, like GitHub and F-Droid, do not download and install the app directly on your device as Google Play does with Android devices […]

In 2017, the UK passed the Digital Economy Act that requires Internet service providers (ISPs) to block adult websites unless they receive verification that the user is over 18 years old. The regulatory body governing the block, the BBFC, stated that VPN services should not be affected by this block. […]

Proton VPN supports most popular Internet browsers. However, Proton VPN 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 […]