Forward Player IPs

You can forward the player IPs via proxy protocol. To enable it in Infrared you just have to change this in you proxy config:

yml

# Send a Proxy Protocol v2 Header to the server to
# forward the players IP address.
#
#sendProxyProtocol: true
sendProxyProtocol: true

Paper

In Paper you have to enable it also to work. See the Paper documentation on Proxy Protocol for more.