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netfix is a compatibility mod that resolves networking issues caused by the outdated version of Netty in older Minecraft versions.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.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.8.9
- 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.
Verified by MCModsHub
- Ships as netfix-1.0.3.jar — drop this file into the mods folder
- Download size: 5.9 MB
- Download link checked 6 Sept 2026 — working
These come from our own check of the pack file, not from the source page.