On Fri, 25 Oct 2002 yves@famillemetivier.net wrote: > But I have a problem with traffic control : > I want to give highest priority to real time traffic, like h323. > > I was expecting that h323 netfilter module should mark all h323 traffic, > including RTP and RTCP UDP packets, but it seems that it only marks > packets from known ports (those explicitely declared in iptables) and > not UDP related packets. You can mark the related stream by using the helper matching from patch-o-matic. In the case of h323, you can match the H.225 and H.245 channels by the following command-fragments: iptables .... -m helper --helper H.225 ... iptables .... -m helper --helper H.245 ... Regards, Jozsef - E-mail : kadlec@blackhole.kfki.hu, kadlec@sunserv.kfki.hu PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt Address : KFKI Research Institute for Particle and Nuclear Physics H-1525 Budapest 114, POB. 49, Hungary