local UIS = game:GetService("UserInputService")
local Toggled = false
local key = Enum.KeyCode.U

local function rakhook(packet)
    if packet.PacketId == 0x1B then
        local data = packet.AsBuffer
        buffer.writeu32(data, 1, 0xFFFFFFFF)
        packet:SetData(data)
    end
end

UIS.InputBegan:Connect(function(obj) 
    if obj.KeyCode ~= key then
        return
    end

    if Toggled then
        print("Untoggled")
        raknet.remove_send_hook(rakhook)
    else
        print("Toggled")
        raknet.add_send_hook(rakhook)
    end

    Toggled = not Toggled
end)