SafeNeatherTunnel

A simple configurable mod that automatically blocks off lava around you, made to make tunneling in the nether safer.

180 Downloads

fabricutility

About this Mod

A simple, easy to understand, client-side mod that automatically places a block in nearby lava made to make tunneling in the Nether safer, but can have other applications.

Commands

/lavablocker enable - Enables LavaBlocker.

/lavablocker disable - Disables LavaBlocker.

/lavablocker onlyBlockSource <true|false> - If true, only source lava blocks will be removed.

/lavablocker radius <1-16> - Sets how far around the player to check for lava.

/lavablocker checkInterval <1-10> - How often (in ticks) to check for lava.

/lavablocker maxBlocksPerCheck <1-10> - Maximum number of blocks placed per check.

/lavablocker replacementBlock <block> - Sets the block type used to block lava.

/lavablocker help - Shows this list of commands.

Available Versions

LavaBlocker 1.21.4+release

MC 1.21.4, 1.21.5, 1.21.6fabric

June 18, 2025

How to Install SafeNeatherTunnel 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 (1.21.6).

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.6, 1.21.5, 1.21.4

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

SafeNeatherTunnel 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 (1.21.6). You can switch loaders with one click in the panel.

Is SafeNeatherTunnel compatible with fabric?

SafeNeatherTunnel officially supports fabric for Minecraft 1.21.6, 1.21.5, 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with SafeNeatherTunnel – how to optimize performance?

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