[LARTC] how to classify sip traffic (voip)

[Vinod Chandran]

> Fabian,
>
> Try adding the following Iptable rule with a filter for the mark value..
> iptables -t mangle -A PREROUTING -p udp  -m lenght <length value> -j 
> MARK --set-mark 1
>
> Regards,
> Vinod C 


Fabian Gervan wrote:

>How i can classify sip traffic (voip)??  
>
>I try dst 5060 udp port, but dont'work. sip sesion use dynamic port.
>
>Sniffing packets with windows net-peeker, I see that packets lenghts
>is always=87
>How i can filter, by  packet lenght, with u32?
>
>Regards
>Fabian
>_______________________________________________
>LARTC mailing list
>LARTC at mailman.ds9a.nl
>http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc
>
>  
>