The server log is filled with output like this:
15:10:22,464 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:22,538 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
15:10:22,666 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:22,747 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
15:10:22,864 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:22,938 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
15:10:23,065 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:23,146 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
15:10:23,264 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:23,374 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
15:10:23,464 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:23,548 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
15:10:23,655 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:34321, reason: Sender UDP Port doesn't match current session port: 34321 != 28290
15:10:23,738 WARN [SocketReader] protocol.SFSIoHandler - Discard UDP packet from 97.75.172.122:25421, reason: Sender UDP Port doesn't match current session port: 25421 != 27554
Any ideas what is going on here? We are running RC2a, with the Unity client.