
VPN Warner
Warns you before joining a server if you're connected to a VPN to prevent having your account punished by AntiVPN plugins/mods.
Screenshots

About this Mod
VPN Warner
This mod warns you if you have a VPN process/service running before joining a multiplayer server.
It only persists across one join so you don't toggle a VPN on between joins and forget about it.
There's no config menu/file for now.
Available Versions
How to Install VPN Warner on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "VPN Warner". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.20.4
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
VPN Warner server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is VPN Warner compatible with fabric and quilt?
VPN Warner officially supports fabric, quilt for Minecraft 1.21.4, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with VPN Warner – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if VPN Warner consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install VPN Warner with just one click on your server.