GemiGuard Knowledge Base
Knowledge Base
In-depth technical articles drawn from our team’s real-world cases. From IMEI obfuscation to GL.iNet configurations for specific scenarios. Updated continuously — follow us on Telegram so you never miss new material.
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Knowledge base articles
IMEI · MIRAGE · COUNTER-SURVEILLANCE
IMEI obfuscation on the GL.iNet Mudi GL-E750V2 VPN router
A detailed breakdown: what IMEI is, how it is tied to the modem chip, when it is transmitted to the cellular network, and why IMEI obfuscation is an important counter-surveillance strategy. Benefits, risks and key considerations.
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MUDI V2 · SETUP
Mudi V2 — a quick setup guide (GL.iNet GL-E750V2)
Seven steps from unboxing to a working VPN router: charging, inserting the SIM, powering on, connecting to Wi-Fi, signing in to the admin panel, automatic configuration. Notes on Kyivstar, Lifecell and Vodafone.
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STARLINK · VPN · INTEGRATION
High-security VPN routers for use with Starlink terminals
Comparing the GL.iNet Slate AX and Flint 3 for working with Starlink. Technical specifications, WAN integration, the advantages of OpenWrt over the standard Starlink router. Choosing the right model for mobile and fixed scenarios.
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WIREGUARD · OPENVPN · PROTOCOLS
WireGuard and OpenVPN — a VPN protocol comparison
The details of the two leading VPN protocols supported by GL.iNet routers. OpenVPN is the time-tested standard. WireGuard is a modern approach built on ChaCha20. Compatibility with ProtonVPN, NordVPN, Mullvad. Configuration via the web panel or the app.
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GPS · LOCATION · HARDWARE ANALYSIS
GPS and location telemetry in the GL.iNet Mudi GL-E750V2 and Puli GL-XE300
Do the Mudi and Puli transmit the user’s GPS coordinates? The short answer is no. A detailed explanation of the hardware configuration, the GPS status in GL.iNet firmware, and how to verify it yourself via AT commands. Context on cell-tower triangulation.
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HUMOR · GIFTS · TSODS
How to make your woman happy: a scientific 24-step guide
A satirical guide from the International Institute of Domestic Harmony: why a vacuum cleaner is not a gift, how to covertly learn her size, why you should buy in sets, and where stable Wi-Fi comes in. In partnership with TSODS.
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IMEI · PIXEL · GRAPHENEOS
The IMEI on a Google Pixel: what holds it in place, and why nobody changes it
Where the IMEI physically lives on a Tensor Pixel, the three layers that hold it in place, why it is an integrity check inside signed modem firmware rather than a hardware fuse, what IMEI spoofing modules actually change, and why none of it buys anonymity on a cellular network.
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VPN · PIXEL · GRAPHENEOS
VPN on a GrapheneOS Pixel: why an app on the handset does not cover all traffic
Enforcement in Android applies to application identifiers, and system identifiers are exempt from it at the level of the networking subsystem. Which categories Google confirms are outside the tunnel, why tethered traffic never enters it, where DNS leaks come from, and the one configuration — cellular off, Wi-Fi only, tunnel on the router — that leaks nothing.
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TAILSCALE · MESH VPN · GL.INET
Tailscale on GL.iNet routers — the complete guide
What Tailscale is and how a WireGuard-based mesh VPN works. A comparison with VPN, Tor and Cloudflare WARP, use cases, setup, and a table of GL.iNet routers that support Tailscale — with a link to every model.
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RIVIAN · VEHICLE IMPORTS · US-IP VPN
Rivian in Ukraine — OTA updates via a US-IP VPN
Rivian does not send OTA updates outside the US and Canada, and the built-in eSIM is dead outside North America. A GL.iNet Puli holding a permanent US-exit tunnel restores updates, the mobile app and remote diagnostics. It does not restore maps or live traffic while driving — and we explain exactly why. The package: a Puli, a prepaid Kyivstar SIM and a US IP address.
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