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How to Protect Your Offline Server: Complete AuthMe Reloaded Tutorial

If you have configured your Minecraft server for Offline Mode (online-mode=false), you have a security problem: anyone can join your server with another player's nickname and have access to all their items and permissions (including administrators).

The solution for this is the AuthMe Reloaded plugin. It creates a mandatory login system that protects each player's account on your server.

What is AuthMe?

AuthMe is the most used authentication plugin in the world. When a player joins the server, they are "frozen" and cannot move or type commands until they enter their personal password.

Prerequisites

To use AuthMe, you need a server that supports plugins, such as PaperMC or Spigot. The official Vanilla server does not accept plugins.

Step by Step: How to Install

  1. Download the latest version of AuthMe Reloaded from the official site: CurseForge (AuthMe).
  2. Go to your Minecraft server folder and open the folder named plugins.
  3. Drag the AuthMe-5.6.0.jar file (or the version you downloaded) into this folder.
  4. Start (or restart) your server.

Initial Settings

As soon as the server starts, AuthMe will create a folder inside plugins/AuthMe with the configuration files. The plugin default is already very secure, but you can change the messages or settings in the config.yml file (look for language).

How to Play with AuthMe

When joining the server for the first time, the player will need to register with the command: 

/register 123456 123456

(Replacing "123456" with the password they wish to use and repeat).

In the following times they join, they will only need to log in: 

/login 123456

Conclusion

AuthMe is the heart of any Minecraft server that accepts unofficial accounts. Without it, your server is exposed to attacks and item theft. With a simple 5-minute setup, you ensure that each player has their own secure account.

Security Tip: Remember that AuthMe only protects player access. To keep your world safe from technical errors or data loss, don't forget to set up periodic backups.