You could probably mark the packet using the nfmark field of the skb. If you are doing this with iptables, use the -j MARK target to do this; something ala this: iptables -A OUTPUT -t mangle -i eth0 -j MARK --set-mark 42 Make sure you do this before you queue the packet to userspace. Regards, Christian Theil Have. If you need to do this from userspace with iptables probably On 6/21/05, Unix User <kerneland@xxxxxxxxx> wrote: > hi all > I use the lib ipq. I want to know how one can make the difference > between an outgoing and incoming packets with the lib ipq . I queued > incoming and outgoing packets . > i use the packet information to look at the tcp/ip headers and check the ip > addresses to see if it is incoming or outgoing but it doesnt work if > the localhost send a packet at his self (ex : source adress: 127.0.0.1 > , dest adress: 127.0.0.1). > > how can i make the difference ? > > sorry for my bad english :) > >
