MasterAuth v1.4

Advanced Minecraft authentication plugin with secure login, 2FA, and customizable protection systems
masterauth.png

MasterAuth​


Advanced Authentication & Account Protection System for Minecraft Servers​


MasterAuth is a modern authentication plugin built to secure Minecraft servers with a clean, optimized, and professional login system. Designed specifically for Paper 1.21.x servers, MasterAuth protects player accounts while keeping the login experience smooth, lightweight, and visually polished.


Unlike older authentication plugins that feel outdated or overloaded with unnecessary systems, MasterAuth focuses on speed, simplicity, security, and modern design. Every part of the plugin was built to provide a seamless experience for both server owners and players.


Whether you operate a Survival server, SMP, Lifesteal realm, Practice network, or cracked community, MasterAuth provides reliable account protection while maintaining excellent performance and a modern feel.




🔐 Secure Authentication System​


MasterAuth provides a complete player authentication workflow that securely manages registrations, logins, sessions, and account verification.


When a player joins the server for the first time, they are required to create an account using a secure password. Returning players must log in before accessing gameplay, ensuring that accounts remain protected from unauthorized access.


The authentication system is designed to feel smooth and responsive without interrupting gameplay more than necessary.


Core Authentication Features​


  • Player registration system
  • Secure login system
  • Password verification
  • Authentication session handling
  • Automatic account recognition
  • Join protection
  • Movement restriction before login
  • Chat restriction before authentication
  • Command protection system
  • Failed login handling
  • Authentication state management

MasterAuth ensures that unauthenticated players cannot interact with the server until verification is complete, helping prevent account theft, griefing, and unauthorized access.




⚡ Lightweight & Optimized​


Performance was a major focus during development.


MasterAuth avoids unnecessary systems and oversized frameworks, keeping the plugin lightweight and efficient even on larger servers with high player counts.


The plugin uses optimized event handling and efficient authentication checks to minimize server impact while still maintaining reliable security systems.


Optimization Highlights​


  • Low memory usage
  • Fast authentication processing
  • Lightweight listener system
  • Optimized player cache handling
  • Clean asynchronous operations
  • Minimal server performance impact

MasterAuth is designed to run quietly in the background without causing lag or unnecessary resource usage.




🎨 Modern Player Experience​


One of the biggest problems with many authentication plugins is outdated visuals and messy chat formatting.


MasterAuth was designed to look modern from the moment a player joins the server.


Instead of cluttered messages and excessive spam, the plugin uses clean formatting, styled prefixes, and polished feedback messages to create a professional authentication experience.


Visual Features​


  • Modern authentication messages
  • Styled prefixes
  • Clean color formatting
  • Success/failure notifications
  • Smooth register/login prompts
  • Minimal chat clutter
  • ActionBar support
  • Professional server presentation

Example:



[MasterAuth] Use /register <password> <password>
[MasterAuth] Registered successfully!
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The goal is to make authentication feel like a polished part of the server instead of an outdated addon.




🌐 Java & Bedrock Support​


MasterAuth includes optional Floodgate compatibility, allowing servers to support both Java and Bedrock players in the same environment.


This makes the plugin ideal for crossplay communities running Geyser + Floodgate setups.


Floodgate Features​


  • Floodgate player detection
  • Java + Bedrock compatibility
  • Cross-platform support
  • Optional authentication handling



🛠 Easy Configuration​

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MasterAuth was built to be simple to configure while still allowing server owners to customize the experience.


The configuration system is organized and easy to understand, making setup quick even for smaller servers.


Configurable Systems​


  • Chat messages
  • Prefix formatting
  • Sounds
  • Login behavior
  • Register behavior
  • Session settings
  • Password requirements
  • Authentication reminders
  • Join handling

The plugin is designed so you can get it running quickly without needing to spend hours configuring complicated files.




🧩 Server Protection​


Authentication is one of the most important parts of protecting a cracked or crossplay Minecraft server.


MasterAuth helps reduce:


  • Account theft
  • Unauthorized logins
  • Player impersonation
  • Basic alt abuse
  • Unauthenticated interactions

By preventing players from accessing gameplay before authentication, MasterAuth adds an important layer of security to your server infrastructure.


🔑 Permissions​


PermissionDescription
masterauth.adminAccess admin features
masterauth.reloadReload plugin configuration
masterauth.bypassBypass authentication


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Latest reviews

Discord link not working
MasterStudios
MasterStudios
as you were banned from the discord server its been resolved
Amazing auth plugin i love it the best one i have used and seen it provides so much security please post more plugins great work
MasterStudios
MasterStudios
thank you for your review i have more plugins coming out
EULA: Free EULA
170 Views
10 Downloads
May 19, 2026 Published
Jun 1, 2026 Updated
3.00 star(s)
Average rating (2)
15.2 MB File size
Open source
  1. No
DRM-free
  1. No
Unobfuscated
  1. No
Type
  1. Protection
Game mode
  1. Hub & lobby
  1. Lifesteal
  1. Donut-like
Supported software
  1. Bukkit
  1. Spigot
  1. Paper
  1. Sponge
  1. Bungee
  1. Folia
  1. Velocity
  1. Purpur
Supported versions
  1. 26.1
  1. 1.21.11
  1. 1.21.8
  1. 1.21.5
  1. 1.21.4
  1. 1.21.2
  1. 1.21
  1. 1.20
  1. 1.19
  1. 1.18
  1. 1.17
Supported languages
  1. English
Creator
Struggling to cover the costs of your server? Set up your own webstore with Tebex in under 30 seconds.
Lag-free, customizable servers ready in minutes.
Host your adventure today!
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170 Views
10 Downloads
May 19, 2026 Published
Jun 1, 2026 Updated
3.00 star(s)
Average rating (2)
15.2 MB File size
Open source
  1. No
DRM-free
  1. No
Unobfuscated
  1. No
Type
  1. Protection
Game mode
  1. Hub & lobby
  1. Lifesteal
  1. Donut-like
Supported software
  1. Bukkit
  1. Spigot
  1. Paper
  1. Sponge
  1. Bungee
  1. Folia
  1. Velocity
  1. Purpur
Supported versions
  1. 26.1
  1. 1.21.11
  1. 1.21.8
  1. 1.21.5
  1. 1.21.4
  1. 1.21.2
  1. 1.21
  1. 1.20
  1. 1.19
  1. 1.18
  1. 1.17
Supported languages
  1. English
Creator
Struggling to cover the costs of your server? Set up your own webstore with Tebex in under 30 seconds.
Lag-free, customizable servers ready in minutes.
Host your adventure today!
Recommended for you
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3,079 purchases
Protect your server from crash/dupe/packet exploits with the ultimate security fix plugin.
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All-in-one dungeon creator. Create unlimited, timed dungeon experiences with your own builds
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