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From: "Gilad Benjamini" <gilad.benjamini@gmail.com>
To: BrainChild@Skyler.com, netfilter@vger.kernel.org
Subject: RE: iptables terminating targets
Date: Mon, 5 Jan 2009 12:57:11 -0800	[thread overview]
Message-ID: <49627434.1d078e0a.1f5a.3263@mx.google.com> (raw)
In-Reply-To: <4ls4m4hj393j1ekptolcv97rsk8je5isuv@4ax.com>

> 
> <snip>
> 
> >Up to the (false) conclusion, all your assumptions are true. I believe
> I see
> >the source of your confusion, which was also mine when I started with
> >iptables.
> >Each built-in chain is traversed at a different location (a.k.a. hook)
> in
> >the packet path. See two graphic variations of this below.
> >A terminating target means that the packet has completed traversing
> the
> >current built-in chain, but might be further processed by other
> chains, by
> >means of a different hook.
> >Specifically for the FILTER table, which is your main concern for a
> >firewall, its hooks are located such that each packet goes through
> exactly
> >one built-in chain of the table.
> >
> >HTH,
> >Gilad
> 
> This seems at odds with another answer I got to this question:
> 
> "DROP target means packet is dropped and no other chains are
> traversed. ACCEPT means that no more rules in the current built-in
> chain get considered but traversal of next built-in chain occurs."
> 
> This answer seems to say that there are 2 different behaviors for
> "terminating" targets - that one (DROP) behaves as I interpreted the
> documentation, while the other (ACCEPT) behaves as you describe above.
> 
> I can't seem to reconcile these two answers.
> --

It's simple. The other guy phrased things better than me :-)



      parent reply	other threads:[~2009-01-05 20:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-05 16:24 Q: iptables terminating targets Indiana Epilepsy and Child Neurology
2009-01-05 16:31 ` Marek Kierdelewicz
2009-01-05 20:22 ` Gilad Benjamini
     [not found]   ` <4ls4m4hj393j1ekptolcv97rsk8je5isuv@4ax.com>
2009-01-05 20:57     ` Gilad Benjamini [this message]

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