ChromAuth: Secure Your Minecraft Server with Advanced Authentication

ChromAuth delivers enterprise-grade authentication for Minecraft servers. Protect your Paper 1.21.11 server with BCrypt, IP-session caching, and auto-kick. Download ChromAuth now.

Download chromauth ALPHA for Minecraft 1.21.2

Original name: chromauth ALPHA

Minecraft: 1.21.2

FileVersionLoaderSize
chromauth-ALPHA-1.1.0.jar1.21.2—28 КБDownload
chromauth-1.0.0.jar1.21.2—31 КБDownload

ChromAuth: Secure Your Minecraft Server with Advanced Authentication

Running an offline-mode Minecraft server opens the door to identity theft, unauthorized account access, and malicious bots. Traditional login plugins often feel bloated, slow, or rely on outdated security practices. ChromAuth changes that. Built specifically for Paper 1.21.11 infrastructure, this lightweight authentication framework delivers enterprise-grade protection without sacrificing performance. Whether you manage a small community or a large network, ChromAuth for Minecraft ensures every player is who they claim to be.

Why ChromAuth Stands Out

Most authentication add-ons bolt on features that strain server resources. ChromAuth takes a different path. It replaces legacy login managers with a clean, modern codebase that prioritizes security and speed. The plugin uses BCrypt with salted keys to hash credentials, matching web-standard security patterns. Raw text passwords never touch your disk, so even if someone gains access to your server files, player data remains cryptographically safe.

Another standout is total player isolation. Until a user authenticates, ChromAuth instantly locks their session. Movement, chat, item interactions, command execution, and incoming damage are all blocked. This prevents griefers from exploiting the window between joining and logging in. The system also includes an intelligent IP-session cache. If a player disconnects due to a crash or a quick server reboot, they can rejoin without retyping their password—provided they reconnect from the same IP within the admin-defined time limit. This reduces login fatigue while keeping security tight.

Key Features of ChromAuth

  • BCrypt Password Hashing: All credentials are stored with salted BCrypt, eliminating plaintext vulnerabilities.
  • Full Session Lockdown: Unauthenticated players cannot move, chat, use items, or receive damage.
  • IP-Session Caching: Allows seamless reconnection after a crash or restart without re-entering the password.
  • Customizable Messages: A dedicated messages.yml file with built-in color-code processing lets you tailor every user interaction.
  • Anti-Camp Auto-Kicker: Automatically removes clients that fail to authenticate within a configurable time, freeing player slots.
  • Lightweight Footprint: Designed to run efficiently on Paper 1.21.11 without impacting TPS.

How to Install ChromAuth on Your Server

Getting started with ChromAuth is straightforward. First, ensure your server runs Paper 1.21.11 or a compatible fork. The plugin is built exclusively for this version to leverage the latest API improvements. If you’re using a different Minecraft version, check for compatibility notes before proceeding.

To install, download ChromAuth from the official repository. Place the JAR file into your server’s plugins folder and restart the server. ChromAuth will generate a default configuration, including the messages.yml file for customizing prompts and warnings. Edit the config to set your desired session cache duration, auto-kick timer, and password policies. No complex database setup is required—everything runs on flat files for simplicity.

For those who prefer a streamlined experience, the foxygame.net launcher offers a one-click install option that automatically places ChromAuth into the correct directory and keeps it updated. This launcher also provides a curated add-on catalog where you can manage ChromAuth alongside other essential plugins, ensuring version compatibility without manual checks.

Configuring ChromAuth for Maximum Security

After installation, open the config.yml to fine-tune the plugin. The BCrypt hashing rounds can be increased for stronger encryption, though higher values may slightly delay login processing. The session cache timeout is set in seconds; a typical value is 300 (5 minutes) to balance convenience and security. The auto-kicker threshold should be long enough for legitimate players to type their password but short enough to deter bots—60 seconds is a common starting point.

The messages.yml file is where you shape the player experience. Every prompt, from the initial login request to the kick notification, supports Minecraft color codes. You can craft a welcoming message that matches your server’s theme or add clear instructions for new players. ChromAuth also supports placeholders for dynamic data like the remaining time before auto-kick.

Performance and Compatibility

ChromAuth is engineered for Paper 1.21.11, taking advantage of modern event priorities and asynchronous processing. It hooks into the server’s login flow at the lowest level, so there’s no overhead from unnecessary listeners. In stress tests, the plugin added less than 0.1% to the tick rate, even with hundreds of concurrent connections. This makes it ideal for survival, minigame, and anarchy servers that demand high performance.

While ChromAuth is designed for offline-mode servers, it also works in online mode as an extra layer of account verification. However, its primary strength lies in protecting cracked servers where Mojang authentication is absent. The plugin does not interfere with other security add-ons like anti-cheat or region protection, so you can stack it into your existing setup without conflicts.

Why Download ChromAuth Today?

Server owners often underestimate the risk of running without proper authentication. A single compromised account can lead to world corruption, stolen items, or a ruined reputation. ChromAuth eliminates these threats with a set-and-forget approach. Once configured, it silently guards every login attempt, only surfacing when a player needs to register or authenticate.

The plugin’s active development means it stays ahead of emerging exploits. Updates are released regularly to patch vulnerabilities and add requested features. To download ChromAuth, visit the official project page and grab the latest build. Pair it with a reliable launcher like foxygame.net to simplify installation and keep your server’s add-on ecosystem in sync. With ChromAuth, you get peace of mind and a smoother player experience—all in one lightweight package.