Unreachable Nether

Prevent players from creating Nether portals

277 Downloads

neoforgegame-mechanicsutility

Rent Server with this Mod

Screenshots

About this Mod

About

Unreachable Nether prevents Nether portals from being created by legit methods.
This mod is mostly aimed for modpack makers.

License

This project is licensed under MIT.

Available Versions

Unreachable Nether 1.0.0 for mc1.21.1release

MC 1.21.1neoforge

July 29, 2025

How to Install Unreachable Nether on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).

Install Mod

Open the mod browser in the dashboard and search for "Unreachable Nether". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Unreachable Nether server crashes on startup – what to do?

Most common cause: wrong neoforge 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 Unreachable Nether compatible with neoforge?

Unreachable Nether officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Unreachable Nether – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Unreachable Nether 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.