On 5/8/08, Grant Taylor wrote: > NAT rules are applied to the first packet in a connection and then the > same action is auto-magically applied to all other packets in the > connection with out passing them through the NAT table. > > So what you are seeing is probably very likely based on existing verses > new connections. Thanks for your reply, but it seems I didn't explain my problem clearly. I have a connectionless flow of ipv4 packets. No TCP, UDP or any L4 payload at all. So my question now is: does netfilter (with D/SNAT or NETMAP target) provide basic natting features without having a L4 payload, or a connection oriented flow is required for natting? Thanks again Andrea -- 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