Login System
Java mod listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
New Backup System mod
Automatically backup your Minecraft worlds to Dropbox with secure, scheduled uploads and easy configuration
Kovai Hosting : https://discord.gg/YuCwysPkns

Login System - Secure Your Server! 🔐
Login System is a simple yet powerful mod that adds a registration and login system for offline Minecraft servers. It ensures that players authenticate before playing, preventing impersonation and unauthorized access.
✨ Features:
-
Player Authentication:
Requires players to register and log in before interacting with the server. -
Auto-Kick for Unauthenticated Players:
Prevents movement and interactions until players log in. -
Configurable Settings:
Customize login timeout, messages, database options, waiting area coordinates, and more via the config file. -
Waiting Area & Position Restoration:
When a player joins without logging in, their original position is saved and they are teleported to a configurable waiting area. Upon successful login or registration, they are returned to their original position. -
Inventory Hiding & Blindness Effect:
Unauthenticated players have their inventory hidden and a blindness effect applied until they log in. -
Double Login Prevention:
Prevents duplicate logins by disconnecting any additional connection with the same UUID. -
Admin Commands:
Provides admin commands to view or delete stored passwords.
🔧 How to Use:
-
Install the Mod:
Place the mod into your Forge server’s mods folder. -
Configure the Settings:
Edit theconfig/loginsystem.propertiesfile to customize your settings (login timeout, messages, database configuration, waiting area coordinates, etc.). The file includes detailed comments above each setting to help you understand their purpose. -
Player Commands:
- Use
/register <password> <confirmPassword>to register. - Use
/login <password>to log in. - Use
/changepassword <oldPassword> <newPassword>to change your password. - Admins can use
/loadmin info <player>and/loadmin delete <player>for management.
- Use
📥 Download & Installation:
- Mod Loader: Forge (compatible with Minecraft 1.20+)
- Minecraft Version: 1.20+
- No Dependancies Needed (In Latest Versions Only)
Your donation helps me in developing the mod!
My GitHub
Enjoy the mod and secure your server with Login System!
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.8, 1.21.5
- 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 CurseForge — 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.
- Ships as loginsystem-1.2.jar — drop this file into the mods folder
- Download size: 16 KB
- Download link checked 28 Sept 2026 — working
These come from our own check of the pack file, not from the source page.