General information


 

How latency, bandwidth, and throughput impact Internet speed

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 […]

 

December 2019 updates to Proton VPN’s Terms and Conditions

In December 2019 we made a minor update to Proton VPN’s Terms and Conditions and Privacy Policy reflecting that the legal party you are contracting with was changed from Proton VPN AG (Switzerland) to Proton AG (Switzerland). As Proton AG was the parent company of Proton VPN (and the 100% […]

 

Does Proton VPN work in China?

As of Sept. 18, 2019, the Chinese government is blocking access to Proton VPN as part of a larger crackdown on Internet freedom.  The Chinese government works hard to control its citizens’ access to the Internet. The Great Firewall employs a vast system of technical tools, including DNS filtering, URL […]

 

What browsers can I use with Proton VPN?

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 […]

 

What is OpenVPN?

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 […]

 

How do I check that my IP address has been changed?

After connecting to one of Proton VPN’s servers or locations, your IP address will be changed automatically.  To confirm that your IP address has been changed, please follow these simple steps: Visit our what is my IP tool and note down your IP address and location Connect to Proton VPN server […]

 

Does Proton VPN keep logs?

In order to respect our users’ privacy, Proton VPN 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 […]

 

What is WireGuard?

WireGuard® is a new VPN protocol used to secure the connection between your device and a VPN server.  Learn more about how VPNs work WireGuard uses state-of-the-art cryptography to keep your connection secure and, at just a few thousand lines of code, it is extremely lightweight. This makes it faster […]

 

Who owns Proton VPN?

Proton VPN is a service provided by Proton 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 Proton Mail, the world’s largest encrypted email service. Proton employees hold the vast […]

 

How to check the version of your Proton VPN app

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

 


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