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> > Hi guys, i am just frustrated right now. I got the default LAN -> any > > rule allow on LAN Interface. I Set up Port 3724, 6112 and range 6881 - > > 6999 to my PC for using Blizzard Downloader (WoW Beta). Thats all! I > > use T-Online PPPoE DSL internet access. > > > > But there are strange Log Entries: > > 21:03:53.197841 LAN 192.168.0.20, port 4578 217.95.232.X, port 6881 TCP > > 21:03:21.848277 LAN 192.168.0.20, port 3244 217.234.175.X, port 6881 TCP > > > > I was able to replicate this, and afterwards found something in the > list archives from Manuel. > http://m0n0.ch/wall/list/?action=show_msg&actionargs%5B%5D=77&actionargs%5B%5D=54 > > That partially explains it, it's missing the state table. Mine was > hitting the same rule mentioned in that post. > > Why is it missing the state table, and why so frequently? A previous > post of mine explains why it's missing it, and it's so frequent > (relative to other traffic) because of the large number of TCP > connections that BitTorrent will use. > http://m0n0.ch/wall/list/?action=show_msg&actionargs[]=121&actionargs[]=25 > > Specifically, this part of my post: > -- > My guess is it's retransmitted and/or last packets not > hitting the state of the connection in process, as described in the > ipfilter howto: > "Due to the often laggy nature of the Internet, sometimes packets will > be regenerated. Sometimes, you'll get two copies of the same packet, > and your state rule which keeps track of sequence numbers will have > already seen this packet, so it will assume that the packet is part of > a different connection. Eventually this packet will run into a real > rule and have to be dealt with. You'll often see the last packet of a > session being closed get logged because the keep state code has > already torn down the connection before the last packet has had a > chance to make it to your firewall. This is normal, do not be > alarmed." > If you've enabled traffic shaping, it will intentionally slow down BT > traffic. Otherwise the only explanation for the slow down is too many > downloaders and not enough uploaders on WoW. > > As for the port 3724 -> 2406, I couldn't replicate that, but I'm sure > it's the same. Ah, yes I think I got it. Thank you very much for your effort! |