From mboxrd@z Thu Jan 1 00:00:00 1970 From: "GoMi" Date: Fri, 16 May 2003 16:23:22 +0000 Subject: RE: [LARTC] No way to shape my traffic with p2ps Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lartc@vger.kernel.org =20 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Basically there is no solution to stop these? Is that what you are saying? = Do other p2p programs produce these short SYN packages, or just KaZaa? I am= studying the traffic in my lan with tcpdump and i get lots of packages lik= e this coming to my inner interface : =09 19:14:50.866190 XXX.XXX.XXX.XXX.1101 > YYY.YYY.YYY.YYY.80: . ack 14594 win = 64240 (DF) Being XXX my internal users and YYY external public addresses What are those? Response to ack packages right? I also have lots of 19:19:26.676651 YYY.YYY.YYY.YYY.80 > XXX.XXX.XXX.XXX.4078: . 10220:11680(14= 60) ack 1 win 17121 (DF) Is it posible that kazaa uses ACK packages to send data? Because these pack= ages are comming to my lan with the MTU=E7 - -----Mensaje original----- De: lartc-admin@mailman.ds9a.nl [mailto:lartc-admin@mailman.ds9a.nl] En nom= bre de David Boreham Enviado el: viernes, 16 de mayo de 2003 18:24 Para: lartc@mailman.ds9a.nl Asunto: Re: [LARTC] No way to shape my traffic with p2ps > P2P tools receive many small packets from everywhere. Those many=20 > packets clog the connection and need to be throttled BEFORE they cross=20 > the bottleneck of your uplink. (I'm aware that's not really possible=20 > on a standard DSL connection) I did say that he needs to rate-limit SYN segments. Those inbound packets are generated in response to an outbound SYN. Stop th= e SYN and you stop the inbound traffic. He's NAT'ing, so there are no inbound connections to worry about. _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/l= istinfo/lartc HOWTO: http://lartc.org/ -----BEGIN PGP SIGNATURE----- Version: PGP 8.0 iQA/AwUBPsUQen7diNnrrZKsEQIFYwCgrkfbFNnnPgcnYdjBZq+OF062BOYAoJdG DVPhhHhfynSKz0HuD44GdkPE =3DK0xm -----END PGP SIGNATURE----- _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/