General Information

  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 […]

This article explains the difference between Proton credentials and OpenVPN credentials, what they are used for and where you can find them. Proton credentials vs. OpenVPN credentials There are two sets of credentials for ProtonVPN, which adds privacy and security for our users. The Proton credentials: These 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 […]

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 […]

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, […]

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 […]

As of Sept. 18, 2019, the Chinese government is blocking access to ProtonVPN 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 filtering, […]

Two-factor authentication on ProtonVPN Two-factor authentication (2FA) adds a layer of security to your ProtonVPN account by adding an extra verification to the login process for additional protection. Currently, ProtonVPN supports the one-time password (OTP) protocol, so accounts with 2FA enabled will be prompted to enter a 6-digit code upon […]

Once you create your account, we advise you to write down your password and keep it in a safe place. However, it’s natural that some people will forget or lose their passwords. In that case, you can reset your ProtonVPN account password by using your recovery email address as explained […]

ProtonVPN respects its users’ privacy and enforces a no-logs policy. This means your VPN connections remain private and we do not store information about your connections or the websites you visit. For the purpose of securing your account and making sure it’s you who is signing in, we store a […]