Debugging VPN DNS Problems: Find the Layer That Is Actually Answering
When DNS starts behaving strangely—a site resolves differently than expected, a recent change does not appear, or two devices disagree—the VPN often…
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VPN After Sleep, Roaming, and Network Switches: What Reconnection Looks Like
A VPN connection doesn't exist independently of the network underneath it. It is built on whatever network the device happens to be using at that mo…
VPN Troubleshooting, One Layer at a Time: A Diagnostic Checklist
Most VPN troubleshooting goes wrong in the same predictable way: three things get changed at once, and whatever happens next, nothing has been learn…
WireGuard, Seen From Both Sides: The Same Ping as Ciphertext and Cleartext
Originally published at https://blog.pathvector.dev/protocol-lab-wg-16/ — part of the free Protocol Lab series. This post is part of Protocol Lab ,…
Telegram’s shortlink domain is back online after day-long suspension
Telegram CEO Pavel Durov confirmed an outage in a tweet, saying that shortlinks to the messaging app had "stopped working."
Hoplyra: self-hosted orchestration for multi-hop VPN chains
Hoplyra: self-hosted orchestration for multi-hop VPN chains Most VPN tools install one protocol on one server . Hoplyra covers the full stack: deplo…
Proton VPN in 2026: I ran it for 60 days on my self-hosted stack — here's what works and what doesn't
Originally published on byte-guard.net . TL;DR: Proton VPN is the right default for most self-hosters who want a privacy-respecting VPN without DIYi…
The 2026 Self-Hoster's Privacy Stack: every tool I actually pay for, configured end-to-end
Originally published on byte-guard.net . TL;DR: A working privacy stack in 2026 is not a single tool. It's seven decisions made in the right order.…
A complete tour of Qeli: a self-hosted, post-quantum VPN in Rust
Qeli is an open-source VPN you run on your own server. No third-party service, no account with someone else, no telemetry - the server is yours, the…
Self-hosted WireGuard VPN on a VPS: a clean copy-paste quickstart
A self-hosted WireGuard VPN on a $5/month VPS gives you a private exit IP you fully control — no logs but your own, no shared IP pools, no monthly p…
Open Source Project of the Day (#94): MasterDnsVPN —— A Sharpened Blade Against Censorship: The Highly Optimized DNS Tunneling VPN
In extreme network censorship environments, when all conventional VPN protocols (such as WireGuard, VLESS, or Shadowsocks) are accurately identified…
Installing WGDashboard, an Open-Source Web UI for WireGuard VPN, on Ubuntu 24.04
WGDashboard is an open-source web UI for managing WireGuard VPN configurations, peers, and traffic statistics. This guide installs WGDashboard using…
How a Slow Office VPN Led Me to File a US Patent
This is the story of how a mundane complaint — "the VPN is slow" — turned into a US patent application. Not a granted patent. An application . I wan…
I built 5 free VPN diagnostic tools — here's what most online testers miss
TL;DR I built and published 5 free VPN diagnostic tools on AnonymFlow. The methodology behind them — what they measure, why it matters, what other "…
Self-Hosted VPN in 2026: WireGuard, Headscale, NetBird and More Compared
Using a commercial VPN means handing your traffic to a third party, paying monthly, and accepting their network rules. For developers and homelab op…
Test a DNS Leak in 2 Minutes: Complete Methodology + Per-OS Fixes (2026)
TL;DR Testing for a DNS leak takes 2 minutes: connect your VPN, open dnsleaktest.com and run the Extended Test, then check whether the DNS servers d…
Law enforcement shuts down VPN service used by two dozen ransomware gangs
First VPN promised hackers complete anonymity for their cyberattacks. But Europol said it was able to notify the service’s users that they have now…
What VPN Providers Get Wrong About IPv4 (And How to Fix It)
I talk to a lot of VPN operators. And the conversation usually goes the same way - they're dealing with user complaints about blocked content, geo-e…
Your VPN Might Be Leaking Your Real IP Through WebRTC
Most VPN users assume that once their public IP address changes, their real connection is hidden. That is mostly true. But not always. While testing…
Set Up WireGuard VPN on Ubuntu 24.04: Secure Private Access
WireGuard is a modern VPN protocol for creating encrypted tunnels between servers, laptops, and other devices. It is fast, lightweight, and built di…