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Date:      Sat, 8 Jul 2006 19:50:05 +0200
From:      "Simon L. Nielsen" <simon@FreeBSD.org>
To:        Scott Ullrich <sullrich@gmail.com>
Cc:        freebsd-net@freebsd.org, Andre Santos <andre.netvision.com.br@gmail.com>
Subject:   Re: Incompatibility between dummynet and PF rdr.
Message-ID:  <20060708175004.GA1087@zaphod.nitro.dk>
In-Reply-To: <d5992baf0607081024kab08328xaf425cafb5c0a3bd@mail.gmail.com>
References:  <efb1abb0607080657o3f1959b7v96626c8869c4d714@mail.gmail.com> <d5992baf0607081024kab08328xaf425cafb5c0a3bd@mail.gmail.com>

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On 2006.07.08 13:24:41 -0400, Scott Ullrich wrote:
> On 7/8/06, Andre Santos <andre.netvision.com.br@gmail.com> wrote:
> >Are there any known compatibility problems between dummynet and PF rdr=
=20
> >rules?
> >When I try to combine both, the packets seem to simply disappear.
> [snip]
>=20
> I can confirm this behavior.   Glad someone else noticed as it would
> happen when we try to use dummynet traffic shaping + pf on pfSense.
> Never really was a high priority to nail down exactly what combination
> of dummynet + pf was breaking it.   If anyone needs me to test
> patches, just let me know.

I also noticed problems when trying to use dummynet/ipfw and pf.  I
looked a bit at it and it seemed that packets, which got queued in
dummynet, were not matched by pf's state engine when re-injected from
dummynet.  At least I saw a lot of denied packets which shouldn't have
been denied on pflog.  It wasn't very important for me to get this
working, so I haven't looked more at it.

--=20
Simon L. Nielsen

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