ModsJava
红石联机
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
A simple Minecraft intranet penetration mod. Open your world to LAN and let remote players join directly — no port forwarding, no router configuration…
⬇ Download on ModrinthRedstoneOnline
A simple Minecraft intranet penetration mod. Open your world to LAN and let remote players join directly — no port forwarding, no router configuration needed.
Features
- One-click tunnel creation when opening to LAN
- Auto-copy connection address to clipboard
- Multiple relay server support with auto latency selection
- Auto-generate & cache API key
- Disable online mode for cracked player support
- Cross-loader: Fabric & NeoForge
- Multi-version: 1.20.1 ~ 1.21.11
Usage
- Install the mod, start the game
- Enter a world, press ESC → "Open to LAN"
- Type /rs to select a relay server
- Share the address to your friends!
Supported Versions
| Version | Fabric | NeoForge |
|---|---|---|
| 1.20.1 | ✅ | ❌ |
| 1.20.4 | ✅ | ✅ |
| 1.20.6 | ✅ | ✅ |
| 1.21.1 | ✅ | ✅ |
| 1.21.4 | ✅ | ✅ |
| 1.21.8 | ✅ | ✅ |
| 1.21.11 | ✅ | ❌ |
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as redstoneonline-1.0.0+1.20.1-fabric.jar — drop this file into the mods folder
- Download size: 132 KB
- Download link checked 13 Oct 2026 — working
These come from our own check of the pack file, not from the source page.