authlogic
simple and effective hybrid authentication solution for modded minecraft servers.
FabricNeoForgeForge
- Loaders
- FabricNeoForgeForge
- Downloads on Modrinth
- 8.1K
- Followers on Modrinth
- 12
- versions
- 10
- Updated
- September 4, 2026Sep 4
- Published
- in 2026
At a glance
Runs on Fabric, NeoForge and Forge
For Minecraft 1.20.1, 1.21.1–1.21.11
Needed in the game and on the server
Latest version — 0.0.5+1.21.1-neoforge from September 4, 2026
License MIT — free
Where it's neededGame versions1.20.1, 1.21.1–1.21.11
In gamerequiredOn serverrequired
Needed both in the game and on the server
text-based description
authlogic
simple and effective hybrid authentication system for modded servers.
for players
- install the mod
- have an official account? that's it!
- don't have one? enter your password once during setup
DO NOT SHARE YOUR AUTHLOGIC FOLDER!
for admins
- install the mod
- set
online-modetofalse - (optionally) configure whitelist
DO NOT SHARE YOUR AUTHLOGIC FOLDER!
how it works
- player uses password to generate a unique per-server key
- server sends own public key
- player verifies server’s key and sends own public key
- server verifies player’s key
- authentication complete
why it's secure
- password never leaves your computer
- uses asymmetric keys to verify identities
- login process is encrypted
FAQ
How to install authlogic?
Install Fabric for your Minecraft version, download authlogic for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does authlogic support?
authlogic has builds for Minecraft 1.20.1, 1.21.1–1.21.11.
Is authlogic needed on the server?
Needed in the game and on the server
License and source
MIT Licensefree to use and share with credit to the author
