I am also a network administrator working at a university in Maryland. We are receiving a lot of student complaints that they are unable to connect to the Destiny game servers. We have not experienced this level of connectivity blockage on any other game that we are aware of - students can't host or potentially use voice chat, but they are still able to join servers and play. We do not have enough public IPs to give every student, and manually forwarding ports would not really help anything for the same reason. Even if we open ports to an IP, I would imagine the first student to use that port would be able to connect, but anyone after that using the same public IP would not.