Date: Thu, 26 Feb 2004 20:56:24 +0100 From: Thomas Vogt <turbo23@gmx.net> To: Navan Carson <navan@netlinkers.net> Cc: freebsd-isp@freebsd.org Subject: Re: p2p traffic Message-ID: <403E4F68.9040908@gmx.net> In-Reply-To: <403E1833.7040101@netlinkers.net> References: <20040226143350.24a35dc1@bert.mlan.solnet.ch> <403E1833.7040101@netlinkers.net>
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Hi Navan Navan Carson wrote: > Thomas Vogt wrote: > >> I'm thinking about the p2p network problem. P2p creates a lot of >> traffic. I don't care if my backbone is full but not only with p2p >> traffic. Atm I do some queueing with dummynet for the well known p2p >> ports. But this looks not sufficient. Is there another, perhaps better >> solution to decrease the p2p traffic? Blocking is no alternative. >> Another problem is that new p2p clients uses port 80. So it's very >> difficult to reconize the p2p traffic. > > > Try the method describe in the following article: > http://www.holland-consulting.net/tech/imblock.html > > You also have your usage policy. Forbid it in all of the packages that > you offer. If customers really want this, create an package that covers > the additional cost that you will incur. Thnx. Well this solution will not work for me. Since the bandwidth is already payed, I've interested to fill my backbone with traffic :-). The problems are more during the peak time. If no other customer uses http, nntp, vpn... then I don't care about p2p traffic. But I saw that the p2p traffic is growing rapidly. Much more than any other traffic. So at the moment I do queuing with ipfw/dummynet without any problem. This works fine untile the p2p clients are starting to use port 80 more often. This makes it very difficult for filtering. So I'm looking for a solution for this specified problem. Frist I thought about snort. But I'm not sure if this works very well with gigabit backbones. regards Thomas Vogt
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