Introducing the updated Proton. More services, one privacy mission. Learn more

Introducing the updated Proton. Learn more

           

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 […]

 

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 […]

 

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 Technologies AG (Switzerland). As Proton Technologies AG was the parent company of Proton VPN (and […]

 

Who owns Proton VPN

Proton VPN 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 Proton Mail, the world’s largest encrypted email service. Proton employees hold the […]

 

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 […]

 

For macOS users: What is neagent?

Neagent stands for the Network Extension Agent and it facilitates the connection from your Mac to our VPN servers. Since our VPN app for Mac uses the IKEv2/IPSec VPN protocol, allowing the neagent to access Keychain is a necessary step to create a secure VPN connection.  Before you can connect, […]

 

What is IKEv2/IPSec?

IKEv2 stands for Internet key exchange version two, and IPSec refers to the Internet protocol security suite. Together, they form 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 […]

 

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 […]

 

Why did a Proton VPN server get removed?

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

 

How does P2P VPN redirection works with Proton VPN

  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 […]

 


Secure
your internet

Get Proton VPN
Get Proton VPN

For customer support inquiries, please submit the following form for the fastest response:
Support Form

For all other inquiries:
contact@protonvpn.com


-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: OpenPGP.js v4.10.10
Comment: https://openpgpjs.org
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=ueTT
-----END PGP PUBLIC KEY BLOCK-----

You can also Tweet to us:
@ProtonVPN