PinGuard

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PinGuard

By Hata

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Vanilla login system for offline-mode servers: players register and log in using a PIN code in a pop-up window. No mods or plugins required.

Mod Loaders
Minecraft
26.3 26.2 26.1
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About

Description

PinGuard

PinGuard is a lightweight login system for vanilla Minecraft servers — no mods, no plugins, just a data pack.

It's made for offline-mode (cracked) servers, where anyone can join with any nickname. PinGuard makes every player register a PIN code and enter it each time they join, so nobody can play under someone else's name.

✨ Features

  • 🔐 Register & log in with a PIN (4–9 digits) in a clean pop-up window — no chat commands to type
  • 🧊 Frozen until logged in — unauthorized players are put in spectator mode, can't move, see or interact
  • 📍 Nothing is lost — after login the player returns to their exact position, dimension, view direction and game mode
  • 🔁 Change your PIN anytime via Esc → Account
  • 🌍 10 languages, chosen by each player: English, Українська, Русский, Polski, Deutsch, Español, Français, Português, Türkçe, 简体中文
  • 🛡️ Brute-force protection — 5 wrong attempts → 60-second lockout, admins get notified
  • 🧂 PINs are never stored as plain text — only salted hashes
  • 🤫 Clean chat — hides the "Triggered [...]" message

📦 Installation

  1. Download the version that matches your Minecraft version
  2. Put the .zip into world/datapacks/
  3. Restart the server (or run /reload)

That's it — players will see the registration window on their next join.

🛠️ Admin commands

Action Command
Get admin notifications /tag <player> add auth.admin
Reset a player's PIN (online) /execute as <player> run function auth:admin/reset
Reset a player's PIN (offline) /scoreboard players reset <player> auth.reg
Unlock everyone before removing the pack /function auth:admin/uninstall

⚠️ Limitations (please read)

Vanilla data packs have hard limits, so be aware:

  • Digits only. Vanilla can only pass numbers from a dialog to a data pack, so PINs are 4–9 digits — no letters.
  • No asterisks. The input field shows the digits while typing (vanilla dialogs don't support hidden input).
  • Disables command feedback. To hide the "Triggered" message, the pack turns off the send_command_feedback game rule for the whole server. Error messages still show. You can turn it back on with /gamerule send_command_feedback true (or sendCommandFeedback before 1.21.11).
  • Doesn't block commands. If someone joins with an operator's nickname, they can still run OP commands before logging in. On offline-mode servers, don't give OP to names others could use — or use a whitelist.
  • Not a replacement for online mode. If your server can run in online mode, that's always more secure.

📋 Requirements

  • Minecraft Java Edition 1.21.6 or newer (dialogs were added in 1.21.6)
  • Works on any server that supports data packs: vanilla, Aternos, Paper, Fabric, etc.
  • Players don't need to install anything