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From: Florian Westphal <fw@strlen.de>
To: mark diener <rpzrpzrpz@gmail.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: NFTables Internals
Date: Thu, 27 Oct 2016 18:29:41 +0200	[thread overview]
Message-ID: <20161027162941.GC23011@breakpoint.cc> (raw)
In-Reply-To: <CAChgv6pe8mrMRgYhzmiTSQ9dC5d1shp8j_RpU2Kf+n31iA_omQ@mail.gmail.com>

mark diener <rpzrpzrpz@gmail.com> wrote:
> https://workshop.netfilter.org/2016/wiki/images/7/78/Nft-tutorial.pdf
> 
> Now I just need to figure out how to interpet the "payload load 4b @
> network_header + 12" nomenclature to really get a handle on things.

It tells the payload expression to load 4 bytes, with offset 12,
realtive to network header (base).

> Any more documents or videos to understand the internals?
> (Instead of hours spent looking at source code!)

Whats your goal?

If you really want to learn the internal workings source code is indeed
best option.

      reply	other threads:[~2016-10-27 16:31 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-27 15:56 NFTables Internals mark diener
2016-10-27 16:29 ` Florian Westphal [this message]

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