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SubjectRe: [PATCH v6] Netfilter ring buffer support
On 12.03.2012 15:12, Pablo Neira Ayuso wrote:
> On Mon, Mar 12, 2012 at 02:27:13PM +0100, Richard Weinberger wrote:
> [...]
>>> Looking at the code, those are included if bridging is enabled.
>>> Otherwise, I'll be happy to take a patch for this.
>>
>> Doesn't NFLOG just pass the packet header to userspace?
>
> It also passes several interesting metainformation regarding the
> packet to user-space as well. And it can be easily extended to add
> more metainformation without breaking backward compatibility.
>
>> How can you derive meta-information like "PHYSIN" and "PHYSOUT" from
>> the packet header?
>
> See nflog_get_physindev and nflog_get_physoutdev in libnetfilter_log.

Oh. This sounds great.

>> Iff NFLOG is able to produce same log string like LOG does I'm fine.
>
> This is a patch yet incomplete for libnetfilter_log:
>
> http://1984.lsi.us.es/git/rlogd/tree/libnflog.patch
>
> It allows you to print in LOG output format. It still need to add
> support for UDP, UDPlite, and so on, but that shouldn't be hard to
> make.
>
> I'd be happy if someone takes it over and finish it.

Okay. I'll take over it.
Stay tuned!

Thanks,
//richard


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