Re: clone packet with new destination address

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On Mon, Nov 1, 2010 at 10:29 PM, Stephen Clark <sclark46@xxxxxxxxxxxxx> wrote:
>
> I am not sure on how to go about doing that, looking at the code for TEE it
> looks
> like the cloned packet bypasses any of the remaining iptables chains.

It isn't true. The cloned packet only bypasses the iptables rule where
it is generated.

> So
> where
> would I change the destination address? Also if I am mistaken and it does
> hit
> one of the remaining iptables chains how do I tell it is not the original
> but the
> cloned packet I want to change to the new destination address?
>

I think you can use the RAWSNAT xtables-addon to change the
destination address. Since the new skb is attached to untracked ct,
you can use match conntrack --ctstate UNTRACKED to filter it out.

-- 
Regards,
Changli Gao(xiaosuo@xxxxxxxxx)
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