I'm getting the above error where I lose connectivity to the FAF server. It's happening every hour or so - but can be more or less, so variable.
I don't use uPnP, ports are forwarded. I can join games OK. If this happens when I'm in-game, everything freezes for a second, then games continues ok.
forever.log extract:
2013-10-08 19:14:17,631 INFO faf.tourneys The connection was refused by the peer.
2013-10-08 19:14:17,631 ERROR faf.tourneys TCP Error Connection refused
Full forever.log is:
http://pastebin.com/vtRiqLAP