Re: IPv6 fragmentation next header missing in some cases in the skb

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On 31/08/15 at 14:03, Andreas Herz wrote:
> While playing around with the IPv6 extension headers i found a strange
> behaviour when it comes to the IPv6 fragmentation header. First i used the
> thc-ipv6 toolkit with that i could trigger the issue below in the first place.
>
> [...]
>
> Does anyone have an idea why this happens and where i might need to look for
> this issue?

Florian Westphal pointed out that it might be conntrack defrag and yes,
on systems without it i see the frag header in iptables.
So if defrag is on i have no chance to filter specific fragmentations i
guess and just hope that the defrag process sorts every messed up stuff
out ;)

Thanks

-- 
Andreas Herz
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