Riot, if this firewall issue is not being fixed in a timely manner, please turn on Loss Forgiven
We've got both these login issues and these firewall issues, and I'm basically kicked out of a match because of it. This seems to be happening a LOT right now, not just to me.
Since your connections are being sh!tty, you need to press the "Loss Forgiven" button. It is simply not fair to be getting losses because it's impossible to get connected.