Prevent connection directly through a sub-server of a BungeeCord Network. If this plugin is not enabled, players can join with cracked Minecraft on your sub-server even if your BungeeCord is running in online mode.
IMPORTANT: If you have any problems with the plugin don't leave a negative rating instantly. Join our Discord Server HERE and I will try to help you as fast as possible
Installation:
- Install the plugin on your Bukkit/Spigot Server(!)
- Change the host-ip in your BungeeCord config.yml (host: 0.0.0.0 by default) to your public IP address (e.g. 12.34.56.7). DO NOT use 0.0.0.0, 127.0.0.1 or anything localhost.
- Restart BungeeCord - No reload
- Change the 'ProxyAddress' in the PreventProxyBypass config.yml to your origin IP address (e.g. 12.34.56.7)
→ Do NOT enter a port
- Restart the Bukkit/Spigot server or perform /ppb reload command
- /ppb reload » Reloads the config.yml file
- /ppb about » Shows plugin information
- /ppb debug » Enables / Disabled debug information in console
Permissions:
You can set the permissions in the config.yml yourself
Configuration:
The configation is self-explanatory. In the ' KickMessage' you can use ' NEXTLINE' to go to a new line. The ' Prefix' is placed before every message except the ' KickMessage'. To disable the 'Prefix' leave it blank.
Servers using PreventProxyBypass:
- CraftLeben.de (My Own
) - timon.cash
- SplashBlock.net
- mc.NorgeCraft.com
- mc.helheim.cz
- Write your server in the comments. I will add some here

Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.7, 1.8, 1.9
- 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 Spigot — 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.
PreventPortBypass - The OnlyProxyJoin alternative is a free Minecraft Java mod. Compatible with Minecraft 1.7, 1.8, 1.9, 1.10 and newer. Downloaded 9,992 times (via Spigot). Download it and open it directly in the game.