Now, in the quantum moment before the closure, when all become one. One moment left. One point of space and time. I know who you are. You are destiny.
Same thing happens to me, except in a few games [the empty ones, never ones with people, unless thye haven't forwarded ports]. But my port 2302 is clear, so i have no problem with that. Then again, I haven't forwarded my ports, which leads to my suggestion.
Try forwarding your your ports.