NordVPN has spent the past several release cycles quietly rebuilding its Linux application from the inside out, replacing legacy firewall plumbing, retiring old protocol aliases, and folding a graphical interface into what was long a command-line-only tool. The changes reflect a broader shift in how VPN providers treat Linux: not as an afterthought, but as a platform that deserves the same polish as Windows or macOS.
From OpenVPN XOR to NordWhisper
One of the more consequential changes concerns obfuscation - the technique VPNs use to disguise encrypted traffic so it doesn't look like VPN traffic at all, a feature that matters most to users in countries where VPN use is restricted or monitored. Obfuscated servers previously ran on a modified version of OpenVPN using XOR scrambling; they now run on NordWhisper, NordVPN's own protocol. Obfuscation now activates automatically whenever NordWhisper is selected, which made the separate nordvpn set obfuscate command redundant. It has been removed. NordWhisper has also gained support for Encrypted Client Hello (ECH), a mechanism that prevents outside observers from seeing which website a user is connecting to during the initial handshake of an encrypted session - a meaningful upgrade for anyone operating on a restricted or heavily filtered network.
The command structure for choosing protocols has also been simplified. Instead of separately selecting a technology and a protocol, users can now run a single command, such as nordvpn set protocol openvpn_udp, to get both at once. OpenVPN itself has been upgraded to version 2.7.7, and Data Channel Offload (DCO) - a feature that moves encryption work into the Linux kernel rather than handling it in user space - now works automatically on systems running kernel 6.16 or newer, meaningfully improving throughput.
A Rewired Firewall and a Simpler Server Map
Perhaps the most structurally significant change is the migration of NordVPN's firewall functionality from iptables to nftables, the more modern packet-filtering framework built into current Linux kernels. This is not a cosmetic swap. It changes how rules are written, evaluated, and enforced, and it allows NordVPN to apply a strict default-deny policy - meaning traffic is blocked unless explicitly permitted, rather than the reverse. For everyday users, the practical benefit is better compatibility with newer Linux distributions and fewer edge-case failures during connection drops, exactly the moments when a Kill Switch needs to work without hesitation.
The server selection system has also been simplified. The dedicated "P2P" server group has disappeared, not because peer-to-peer support was removed, but because it was extended to every standard server, making a separate category unnecessary. Similarly, virtual servers are no longer labeled as such in the app, and regional specialty groupings - Europe, the Americas, Asia-Pacific, Africa, the Middle East, and India - have been deprecated in favor of simpler country, city, and "Fastest server" selections. Anyone who had auto-connect pointed at a region now defaults to the fastest available option instead.
Dedicated Servers, Diagnostics, and the End of Meshnet
Among the additions, dedicated servers now give users exclusive access to a server's resources along with port forwarding, a configuration particularly useful for self-hosted services or consistent IP requirements. On the troubleshooting side, a new nordvpn diagnostics command bundles system information, network details, and firewall rules into a single shareable file, replacing what used to require several manual commands - a small change that meaningfully speeds up support interactions, though it is not yet available for Snap installations.
Not every update is additive. NordVPN has confirmed that Meshnet, its peer-to-peer private networking feature for linking personal devices and sharing files directly, will be discontinued on December 1, 2025. The company says it is giving users early notice specifically so they can plan around the loss, with in-app reminders to follow. The decision marks a notable reversal from an earlier message insisting Meshnet would remain supported - a reminder that even well-liked features in a privacy tool's ecosystem are not guaranteed permanence.
Security Hygiene and Accessibility Gains
Underneath the headline features, the update log reflects routine but important security maintenance: OpenSSL has been upgraded to version 3.0.17, unnecessary executable permissions were stripped from app libraries, and login tokens are now better masked in CLI output. The minimum glibc requirement has been raised to 2.35, which effectively ends support for older distributions including Ubuntu 20.04, Debian 11, and several Fedora releases - a trade-off common across security software, where supporting outdated system libraries eventually conflicts with modern cryptographic and sandboxing standards.
The company has also continued refining accessibility in the GUI app, improving screen reader announcements and keyboard navigation, and it released the Linux GUI's source code publicly, allowing independent scrutiny of how the interface communicates with the underlying daemon. For a tool whose entire value proposition rests on trust, that kind of transparency carries weight beyond the Linux user base alone.