[nGen.SoNNy]

I can confirm that ackslimit issue too on my server so this is a new type of "flood/spam" shit. Try to use some plugins to debug all the things a player will receive when he's attacked by that cleo cheat. If you want, send that cleo file in PM to have a look on it.

RakNet plugin by urShadow: https://github.com/urShadow/RakNetManager

public OnPlayerReceivedPacket(player_id, packet_id, BitStream:bs)
public OnPlayerReceivedRPC(player_id, rpc_id, BitStream:bs)