
Modrinth · Minecraft mod
netfix
Modern networking for legacy Minecraft
Quick answer
Which netfix release should I use?
netfix 1.0.3 targets 1.8.9 with legacy-fabric, ornithe. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.
Where it goes
Is netfix required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does netfix 1.0.3 need?
1.0.3. Change the file and its required mods may change too.
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 netfix without breaking your instance.
Built for netfix 1.0.3. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.3. It targets 1.8.9 with legacy-fabric, ornithe; another release may have different loader, side or dependency requirements.
- 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.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.3. It opens that exact file at the source.
About this project
What does netfix add?
netfix
netfix is a compatibility mod that resolves networking issues caused by the outdated version of Netty in older Minecraft versions.
Support
Support is offered in our Discord server.
What It Does
netfix backports modern Netty (version 4.2.12, to be precise) in order to fix these issues. It also implements features from https://github.com/Fallen-Breath/fast-ip-ping.
What It Fixes
If you're experiencing unexplained connection issues, crashes related to networking, or server pinging not working properly, netfix may resolve them instantly.
Project description from Modrinth.
Pick your setup
netfix by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
netfix versions and loaders
1.0.3
netfix-1.0.3.jar
18 Apr 2026
1.0.1
netfix-1.0.1.jar
6 Apr 2026
Looking for an older file? The official Modrinth project page is in Resources.