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Date:	Tue, 24 Sep 2013 23:36:06 +0200
From:	Hannes Frederic Sowa <>
To:	"Catalin(ux) M. BOIE" <>
Subject: Re: [PATCH v5] IPv6 NAT: Do not drop DNATed 6to4/6rd packets

On Mon, Sep 23, 2013 at 11:04:19PM +0300, Catalin(ux) M. BOIE wrote:
> When a router is doing  DNAT for 6to4/6rd packets the latest anti-spoofing
> patch (218774dc) will drop them because the IPv6 address embedded
> does not match the IPv4 destination. This patch will allow them to
> pass by testing if we have an address that matches on 6to4/6rd interface.
> I have been hit by this problem using Fedora and IPV6TO4_IPV4ADDR.
> Also, log the dropped packets (with rate limit).
> Signed-off-by: Catalin(ux) M. BOIE <>

Acked-by: Hannes Frederic Sowa <>



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