ProtonVPN lets you use the command-line interface (CLI) or the GUI app on Linux. Now that you know what you can expect from it, let us go through some of the details. Secure Core server is another layer of protection (connecting any remote VPN server through a VPN server owned by ProtonVPN).īoth of these features are only accessible to paid subscribers.NetShield lets you block advertisements and trackers when you visit websites in the DNS-level.Multiple protocols supported-IKEv2/IPSec, OpenVPN, L2TP, PPTP.All open-source apps and independently audited.While many of the features will be common to every other VPN of your choice, some are unique to ProtonVPN: So, among privacy-oriented VPN services, ProtonVPN deserves some attention, I think.īut, is it worth it? How good is it? Can you use it for free? What exactly does it offer you if you pay?īefore I dive into some details, let me highlight the features that it offers.