ModsJava
Auth Security
Java mod listed for Minecraft 1.16–1.21. Downloads from the MC Java Mods app on Android.
Auth+Security (Paper / Purpur / Bukkit 1.16.5 - 1.21.x) Auth+Security is a high-performance, ultra-lightweight authentication, registration, and…
⬇ Download on Modrinth🛡️ Auth+Security (Paper / Purpur / Bukkit 1.16.5 - 1.21.x) Auth+Security is a high-performance, ultra-lightweight authentication, registration, and anti-bot / anti-crash protection plugin for Minecraft servers (Paper, Purpur, Spigot, Bukkit).
🛠️ Commands & Permissions
| Command | Description | Permission |
|---|---|---|
/register <password> <confirm> |
Register a new account | authsecurity.player (default for all) |
/login <password> |
Log into a registered account | authsecurity.player |
/changepassword <old> <new> |
Change account password | authsecurity.player |
/captcha <answer> |
Complete the anti-bot verification | authsecurity.player |
/authsec reload |
Reload configuration and messages | authsecurity.admin (default: OP) |
/authsec stats |
View protection status, JPS, and bot statistics | authsecurity.admin |
/authsec attackmode <on|off> |
Manually toggle the protection shield | authsecurity.admin |
/authsec unregister <player> |
Unregister a player's account | authsecurity.admin |
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.16, 1.16.1, 1.16.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as AuthSecurity.jar — drop this file into the mods folder
- Download size: 74 KB
- Download link checked 6 Nov 2026 — working
These come from our own check of the pack file, not from the source page.