From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lawrence MacIntyre Date: Tue, 26 Aug 2003 11:57:02 +0000 Subject: Re: [LARTC] DDoS mitigation MIME-Version: 1 Content-Type: multipart/mixed; boundary="=-yZIMgvmyXh0HJWeQhnlU" Message-Id: List-Id: References: In-Reply-To: To: lartc@vger.kernel.org --=-yZIMgvmyXh0HJWeQhnlU Content-Type: text/plain Content-Transfer-Encoding: quoted-printable If you are using RTP for the session, you may also use RTCP as a back-channel for reception reports. However, this is not required. On Mon, 2003-08-25 at 19:59, devik wrote: > I would ignore multicast ane let it go thru as aparently > regular dialup and ADSL users have no access to it. Thus > I consider it to be more secured by ISPs. > Streaming audio/video, is not there some "feedback" channel > so that server knows when client is dead ? There should be > something like it IMHO. Note that I'd could every packet > going to host (ignoring tcp/udp and/or port difference). >=20 > Also thanks to Gerry to take it so seriously. I'm interested > in result - especialy because I got the idea in night while > being tortured by gnats ;-) >=20 > devik >=20 > On 25 Aug 2003, Lawrence MacIntyre wrote: >=20 > > For TCP that works. There are, however, UDP applications that are > > one-way (e.g. streaming video/audio). Many multicast applications are > > one-way. > > > > On Mon, 2003-08-25 at 09:16, devik wrote: > > > Hi, > > > > > > I got idea how to create anti-DDoS framework. I depicted > > > it here: http://luxik.cdi.cz/~devik/qos/ddos-blackhole.htm > > > I'd appreciate opinions whether it could work. Please Cc > > > me in replies. > > > > > > Thanks, > > > ------------------------------- > > > Martin Devera aka devik > > > Linux kernel QoS/HTB maintainer > > > http://luxik.cdi.cz/~devik/ > > > > > > _______________________________________________ > > > LARTC mailing list / LARTC@mailman.ds9a.nl > > > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org= / > > -- > > Lawrence MacIntyre 865.574.8696 lpz@ornl.gov > > Oak Ridge National Laboratory > > High Performance Information Infrastructure Technology Group > > --=20 Lawrence MacIntyre 865.574.8696 lpz@ornl.gov Oak Ridge National Laboratory High Performance Information Infrastructure Technology Group --=-yZIMgvmyXh0HJWeQhnlU Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQA/S0sOCNjP8rawCW4RAiioAKCTjOZp5rqV+Ps6/+TU5uPHEpfOYwCcDMP0 ZE6BNfZmqzH+3armQOBi+n4= =uHK3 -----END PGP SIGNATURE----- --=-yZIMgvmyXh0HJWeQhnlU-- _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/