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Minecraft server login dialog interface showing authentication prompt and player credentials

AuthMeReloaded: Securing Your Minecraft Server in 2026

Alexandru Maftei
Alexandru Maftei
@ice
Updated
899 次浏览
TL;DR:AuthMeReloaded is a Bukkit/Spigot authentication plugin that prevents username stealing on offline-mode servers and adds security layers to online servers. Essential for any public Minecraft network or private server that cares about player identity.
GitHub · Minecraft community project

AuthMeReloaded (AuthMe/AuthMeReloaded)

The best authentication plugin for the Bukkit/Spigot API!

Star on GitHub ↗
⭐ 819 stars💻 Java📜 GPL-3.0

Running an offline-mode Minecraft server without proper authentication is like leaving your front door unlocked. AuthMeReloaded solves the problem that's plagued server owners for years: anyone can log in as anyone else, impersonating other players and wreaking havoc on your builds and progress.

What This Plugin Does

AuthMeReloaded is a Bukkit/Spigot authentication system that sits between players and the server, forcing them to prove who they're before they can do anything else. On offline-mode servers especially, this is non-negotiable if you care about player identity and safety. It blocks actions like block placement, inventory access, and command execution until a player logs in with their chosen username and password.

The plugin works quietly in the background. When a player joins, they're prompted to either log in (if they've joined before) or register a new account. On newer server versions (1.21.6+), this happens via a slick dialog box right as they connect, not through chat commands. After that initial friction, the session login feature remembers them, so they don't have to re-authenticate every time they rejoin.


Why Server Owners Use This

There are two main camps here. First, you've got offline-mode servers, which don't validate players against Mojang's servers. These are common in private communities, LAN setups, and cracked server networks. Without AuthMeReloaded, anyone with your server IP can connect as "Admin" or "Owner" or whoever runs the place. That's a nightmare scenario.

Second, even online-mode servers (where Mojang validates connections) benefit from this plugin. It adds an extra layer against account theft. If someone hijacks a player's Microsoft account, they can't just log in and raid the base - they still need the in-game password AuthMeReloaded requires. You also get email recovery as a bonus, which the official server doesn't offer.

There's also the antibot angle. Large public servers get hammered by automated join attempts. AuthMeReloaded's built-in antibot system detects and blocks these bot waves before they clutter your world or crash your server.


Installation (It's Straightforward Once You Know What Version You Need)

The plugin ships as separate jars for different server platforms now. That's actually a huge quality-of-life improvement - no more wondering if you grabbed the right build. Here's what the 6.0.0 release offers:

  • Spigot Legacy (1.16 - 1.19) - if you're running an older server version
  • Spigot 1.21 (covers 1.20 - 1.21) - for mid-range versions
  • Paper 1.21+ - if you're using Paper, which most high-performance servers do
  • Folia 1.21+ - for the new multi-threaded Folia architecture
  • BungeeCord and Velocity proxies - if you're running multiple backend servers behind a proxy

Download the jar that matches your setup from the GitHub releases page, then drop it into your plugins folder:

bash
cp AuthMe-6.0.0-Paper.jar ~/server/plugins/
cd ~/server
java -Xmx2G -jar paper.jar nogui

On first launch, AuthMeReloaded generates a config file. The defaults are sensible, but you'll probably want to tweak a few things: database backend (SQLite, MySQL, PostgreSQL), password encryption strength, and whether to enable email recovery. That config is well-commented, so it's not a mystery hunt.


Standout Features That Matter

Session Login is the quality-of-life feature that makes the plugin feel invisible. After your first login, you're remembered for your session length (customizable, usually 24 - 48 hours). You don't have to type "/login password" every single time you rejoin. For players on unstable connections or kids jumping in and out, this removes a ton of friction.

The Dialog-based login on newer versions (1.21.6+ for Spigot, 1.21.11+ for Paper/Folia) is slick. Instead of a chat-command workflow, players see a proper GUI dialog in their own language as they connect. So it feels less like a plugin and more like part of the server.

Email recovery is underrated. If a player forgets their password, they can reset it via email instead of pestering you. Assuming you've configured SMTP (which isn't trivial but is thoroughly documented), this saves you time.

The antibot system detects rapid-fire join attempts and blocks them. Useful if your server is public and you've accidentally advertised on a bot-list site or if you're just dealing with regular bot spam. (Seriously, enable firewall rules too - don't rely on this alone.)

Country filtering is a more niche feature, but some server networks use it to whitelist or blacklist players from specific regions. It's optional and probably won't affect you unless you're modding servers for competitive purposes or managing access for a specific audience.


Configuration Gotchas and What Trips People Up

The most common mistake is deploying AuthMeReloaded on a proxy (like BungeeCord) without configuring the new proxy plugins. A old way relied entirely on backend server configuration, and it was messy. With version 6.0.0, there are now dedicated proxy plugins for BungeeCord and Velocity that handle authentication state synchronization. Actually use them - don't try to jury-rig the old method.

Database setup can be awkward if you're unfamiliar with MySQL or PostgreSQL. SQLite is the default and works fine for small-to-medium servers (under ~5k registered accounts), but larger networks should migrate to MySQL. Here's the thing, the migration is documented, and there's a console command for it.

Password resets via email rely on your server having SMTP configured. If your emails never arrive, check your server's mail logs and make sure your ISP isn't blocking outbound port 25. Also, test with a throwaway account first - if reset emails bounce silently, players won't know why.

One last thing: the config file is YAML. Indentation matters. Seriously. Three spaces instead of two and the whole thing breaks silently.


How It Stacks Against Other Options

There are other authentication plugins in the Bukkit ecosystem, but AuthMeReloaded's combination of maturity (it's been around forever), active maintenance, and the 6.0.0 modernization makes it the default choice. Plugins like SimpleAuthME exist but lack features like email recovery and antibot. Some networks roll their own using developer APIs, but that requires actual coding work.

For proxy-based networks, the new proxy plugins are genuinely solid. They solve a real problem that other plugins haven't addressed cleanly.


Worth the Setup Or Not

If you're running any kind of offline-mode server or a public online-mode network, AuthMeReloaded isn't optional - it's infrastructure. The installation is straightforward, the config is approachable, and the feature set covers everything a server owner needs.

If you're running a tiny private survival server with three friends, you can probably skip it. For anything larger or public, it's essential. The session login feature and dialog-based login make it feel native rather than bolted-on.

While you're securing your server, don't forget the fun stuff. Create an awesome MOTD that draws players in with the Minecraft MOTD Creator, and if you want a professional server icon, the Minecraft Skin Creator can help you design custom player skins for promotional artwork.

Visit AuthMe/AuthMeReloaded on GitHub ↗
About the author
Alexandru Maftei
Alexandru MafteiLead Writer

Lead writer at minecraft.how. Long-time Minecraft player running a small SMP server, testing every build, mod, and seed before writing about it.

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Frequently Asked Questions

Is AuthMeReloaded free and what license does it use?
Yes, completely free and open-source under the GPL-3.0 license. You can use it on any Bukkit/Spigot server without paying anything. The code is on GitHub, so you can audit it or contribute improvements yourself.
What Minecraft server versions does AuthMeReloaded support?
Version 6.0.0 offers dedicated builds for Spigot 1.16–1.19 (legacy), Spigot 1.20–1.21+, Paper 1.21+, and Folia 1.21+. Download the jar matching your server platform—no universal build required anymore.
Do I need to set up a database to use AuthMeReloaded?
No. SQLite is built-in and works out-of-the-box for small to medium servers. Larger networks should migrate to MySQL or PostgreSQL for better performance, but the default setup requires zero database configuration.
Can AuthMeReloaded work with BungeeCord or Velocity proxy networks?
Yes. Version 6.0.0 includes dedicated proxy plugins for both BungeeCord and Velocity that synchronize authentication state across your backend servers automatically. Much cleaner than the old method.
What if a player forgets their AuthMeReloaded password?
AuthMeReloaded supports email-based password recovery if you configure SMTP. Players can reset their password via email without requiring admin intervention. If email isn't set up, admins can manually reset passwords via console commands.