Troubleshooting Video Calls on a VPN: Separate Device, Network, and Meeting-Platform Factors
Adapted from VPN and Video Calls: Realistic Expectations by Mohammad Hesameddin Montazerilisar, published July 9, 2026 and updated September 27, 202…
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Finding Affected Check Point VPN Deployments: Version Scope and ZoomEye Exposure for CVE-2026-85102
Finding Affected Check Point VPN Deployments: Version Scope and ZoomEye Exposure for CVE-2026-85102 Vulnerability overview CERT-In Vulnerability Not…
Mullvad gave you 8 trillion exit IPs. 9 servers found you.
Mullvad is one of the few VPN providers that hands you a different public IP for each of its servers. With 578 servers in the fleet, a naive calcula…
WireGuard VPN for Production: The Exact Setup I Deploy for Small Businesses
WireGuard is the VPN I deploy for every small business I migrate to Linux. Not because it is trendy, but because it is the most honest piece of netw…
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…
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…
Рабочий VPN-конфиг за пару секунд без покупки сервера: генератор Cloudflare WARP с обходом DPI
открываешь сайт → выбираешь формат → жмёшь кнопку → получаешь готовый рабочий конфиг со свежими ключами. Никакой регистрации, никакой оплаты, всё с…
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…
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…
SSH как корпоративный L3-туннель: когда классические VPN-протоколы больше не работают
В последние годы для команд, которые работают с зарубежной инфраструктурой из России, обычный корпоративный VPN перестал быть чем-то, что можно один…
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…