NetworkGuard
RequiredMust be installed and configured on Velocity.
Official documentation
A free Paper/Folia companion that freezes unauthenticated players and verifies signed authentication state from the Velocity proxy.

Getting started
Stop the Minecraft server completely.
Install every required dependency listed below before NetworkGuardPaper.
Place NetworkGuardPaper.jar inside the plugins folder.
Start the Minecraft server and review the generated NetworkGuardPaper configuration folder.
Test the plugin on a staging server before enabling it for all players.
Supported environments
Integrations
Must be installed and configured on Velocity.
Reference
This plugin does not register public commands.
Access control
This plugin does not define public permission nodes.
Server setup
Visual guide
