Hello, Pablo Neira Ayuso a écrit : > On 31/01/11 03:47, JeHo Park wrote: >> anyway, i wonder why there is no TCP payload in the skb of the string >> or wurl match. > > Because you only see the first packet of the flow in the NAT table. And the first packet of a TCP connection usually carries no data. If you what you want to achieve is NAT a TCP connection based on the payload, I am afraid this is not possible because the definitive NAT mapping is defined from the first packet only. -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html