LockIn
🟡 Updated this yearPreview

🔍 Analysis
- 🏆 #1091 of 1452 bukkit mods in this game by downloads
📋 About This Mod
**LockIn | The Ultimate Auth Plugin** The best authorization plugin. Fully customizable, optimized and functional. **Overview** LockIn plugin is an auth plugin that protects your **Minecraft server** from **hackers**. **Features** **≻** **IP based login sessions:** Players wont have to login everytime they join. **≻** **Protects player locations:** Players are kept at the set auth location until they successfully log in. **≻** **Hides player inventories:** Player inventories are kept hidden until they successfully log in. **≻** **No kicks on multi-login:** Prevents players from being kicked when logged in from another location. **≻** **Fully customizable:** You can change literally ANYTHING in the config.yml. **Commands & Permissions** **/register <password> -** Register with a password. **/login <password> -** Login with your password. **/changepass <old> <new> -** Change your current password. **/unregister <user> -** Unregister an user's account. **/lockin reload -** Reload the config. **/setauthlocation -** Set the location where players are sent to log in or register. **Permissions:** lockin.admin **Installation** 1. Drop the LockIn.jar into your /plugins folder. 2. Restart or start the server. 3. Just make sure to set an auth location using /setauthlocation aaand your done! **Dependencies** None! **Visuals** !(https://cdn.modrinth.com/data/cached_images/c4deed8aadfde6c34eb6e3023bba514a30a9333f.png) !(https://cdn.modrinth.com/data/cached_images/11db36630faabb71138d5d10ebf78ff5d68e93ec.png) !(https://cdn.modrinth.com/data/cached_images/b8a06d4f6f3fcbb2c63f505222795e29bb682586.png) !(https://cdn.modrinth.com/data/cached_images/d380082583b46783d562cba416bb8d52ccff0142.png) **Showcase GIF:** ](https://iili.io/KSuA6B4.gif) **Support Server:** https://discord.gg/XSp8z5xVPy **Please report bugs in the support server.**
LockIn | The Ultimate Auth Plugin
The best authorization plugin. Fully customizable, optimized and functional.
Overview
LockIn plugin is an auth plugin that protects your Minecraft server from hackers.
Features
≻ IP based login sessions: Players wont have to login everytime they join.
≻ Protects player locations: Players are kept at the set auth location until they successfully log in.
≻ Hides player inventories: Player inventories are kept hidden until they successfully log in.
≻ No kicks on multi-login: Prevents players from being kicked when logged in from another location.
≻ Fully customizable: You can change literally ANYTHING in the config.yml.
Commands & Permissions
/register - Register with a password.
/login - Login with your password.
/changepass - Change your current password.
/unregister - Unregister an user's account.
/lockin reload - Reload the config.
/setauthlocation - Set the location where players are sent to log in or register.
Permissions: lockin.admin
Installation 1. Drop the LockIn.jar into your /plugins folder. 2. Restart or start the server. 3. Just make sure to set an auth location using /setauthlocation aaand your done!
Dependencies
Visuals
!(https://cdn.modrinth.com/data/cached_images/c4deed8aadfde6c34eb6e3023bba514a30a9333f.png) !(https://cdn.modrinth.com/data/cached_images/11db36630faabb71138d5d10ebf78ff5d68e93ec.png) !(https://cdn.modrinth.com/data/cached_images/b8a06d4f6f3fcbb2c63f505222795e29bb682586.png) !(https://cdn.modrinth.com/data/cached_images/d380082583b46783d562cba416bb8d52ccff0142.png)
Showcase GIF: [](https://iili.io/KSuA6B4.gif)
Support Server: https://discord.gg/XSp8z5xVPy
Please report bugs in the support server.
📊 Mod Details
- Game
- Minecraft Plugins
- Author
- yoferox
- Version
- 1.3
- Downloads
- 454
- Endorsements
- 2
- Category
- bukkit
- Created
- 10/23/2025
- Updated
- 5/16/2026
- Game Versions
- 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4
- Tags
- game-mechanics, management, optimization
🔧 How to Install Minecraft Plugins Mods
Download from Modrinth. Use Prism Launcher or drop into your mods folder.
📖 Full step-by-step install guide for Minecraft Plugins →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Minecraft Plugins commands, item IDs, and more.
❓ Frequently Asked Questions
Which Minecraft Plugins versions does LockIn support?
The author lists 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5. Other versions may work but are untested by the author.
What is the latest version of LockIn?
Version 1.3, published 2026-05-16 with 454 downloads recorded at the source.
Keep browsing — more Minecraft Plugins mods await