Re: DNAT routing problem

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On Friday 2008-05-09 12:48, Andrea Ranieri wrote:
>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?

Yes, it can do generic NAT -- which is actually used for things like
IPsec-ESP, IP-in-IP.
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