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AuthlibProxyForServer project artwork

Modrinth · Minecraft mod

AuthlibProxyForServer

Authlib proxy for server

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which AuthlibProxyForServer release matches 1.21.1 Fabric?

Updated 7 months ago
Best match for your filters v0.4.1-mc1.21.1
Game version 1.21, 1.21.1
Loader Fabric

AuthlibProxyForServer v0.4.1-mc1.21.1 targets 1.21, 1.21.1 with Fabric. Do not install it on the client. It must be installed on the dedicated server. No extra mods listed for this file.

Where it goes

Is AuthlibProxyForServer required on the client, server, or both?

Do not install it on the client. It must be installed on the dedicated server.

Client Not supported
Dedicated server Required
Loader for this release Fabric
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

This file is marked server-only.

What else does AuthlibProxyForServer v0.4.1-mc1.21.1 need?

v0.4.1-mc1.21.1 on 1.21.1 Fabric. Every mod below is checked against that same setup.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add AuthlibProxyForServer without breaking your instance.

Built for AuthlibProxyForServer v0.4.1-mc1.21.1 on 1.21.1 Fabric. Pick another file and the loader, install side or required mods may change.

  1. 01

    Stick to this file

    Use v0.4.1-mc1.21.1. It targets 1.21, 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.

  2. 02

    Bring the mods it needs

    This file does not list any required mods. Do not add a library just because a different file uses it.

  3. 03

    Put it on the correct side

    Do not install it on the client. It must be installed on the dedicated server.

  4. 04

    Pick the file you checked

    Use the “Get this file” button beside v0.4.1-mc1.21.1. It opens that exact file at the source.

About this project

What does AuthlibProxyForServer add?

AuthlibProxyForServer

License
Modrinth Downloads
GitHub Downloads
CurseForge Downloads
MC Versions
Build & Publish
Release

Copyright (c) 2025 Calboot and contributors

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/

Conclusion

Authlib proxy for and only for servers

Sets the proxy for contacting Mojang server

Mostly based on Fallen-Breath's template

Links

Usage

  • Install this mod to your server (dedicated only)
  • Start the server
  • Run /authproxy to configure the proxy
{
  "enabled": false, // set to true to enable
  "type": "HTTP", // or SOCKS
  "host": "127.0.0.1", // either IP or host name
  "port": 7897 // [0,65536)
}

EOL

Currently supported versions

Currently, the following Minecraft versions are actively supported with new features and bug fixes

Minecraft Version Support Until
1.14.4 ✔️ Long Term Support
1.15.2 ✔️ Long Term Support
1.16.4-5 ✔️ Long Term Support
1.17.1 ✔️ Long Term Support
1.18.2 ✔️ Long Term Support
1.19.4 ✔️ Long Term Support
1.20-1.20.1 ✔️ Long Term Support
1.20.5-6 ✔️ Long Term Support
1.21-1.21.10 🕒 When Minecraft 27.1 snapshot is released
1.21.11 🕒 To be determined

End-of-life versions

The following Minecraft versions are out of the support range. There's no support for these Minecraft versions, unless some critical bugs occur

Minecraft Version Last Version Release Date

Scheduled to be supported versions

The following Minecraft versions are scheduled to be supported in the later versions

Minecraft Version Support Starts

Project description from Modrinth.

Pick your setup

AuthlibProxyForServer by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

28 available setups

Showing the newest 12 of 28 game versions. Older files are in the list below.

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files

AuthlibProxyForServer versions and loaders

7 of 100 releases match
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Looking for an older file? The official Modrinth project page is in Resources.