
No LAN Cheating
Prevents you from cheating with configurable ways of disabling the lan world cheat button.
About this Mod
Fabric mod which prevents you from cheating in singleplayer.
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Download
Download this mod on GitHub Releases
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Showcase

The "Allow Cheats" button is only disabled if you are in a world with cheats disabled.

Creative World with cheats enabled
Available Versions
How to Install No LAN Cheating 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 (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "No LAN Cheating". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.21, 1.20.4 (+28 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
No LAN Cheating 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 (1.21.1). You can switch loaders with one click in the panel.
Is No LAN Cheating compatible with fabric and quilt?
No LAN Cheating officially supports fabric, quilt for Minecraft 1.21.1, 1.21, 1.20.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with No LAN Cheating – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if No LAN Cheating 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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Install No LAN Cheating with just one click on your server.