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Date:      Wed, 27 Mar 2002 13:32:46 +0100 (CET)
From:      Szabados Jozsef <szabadosjozsef@freemail.hu>
To:        freebsd-ipfw@freebsd.org
Subject:   transparent proxying
Message-ID:  <freemail.20020227133246.60118@fm2.freemail.hu>
In-Reply-To: <freemail.20020227123005.5030@fm1.freemail.hu>

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Sorry, I forgot the subject.

Szabados Jozsef <szabadosjozsef@freemail.hu> =EDrta:

> Hi!
>=20
> I would need some starting info about transparent proxying.
>=20
> So, first I forward the packet, on port xx to 127.0.0.1:xxxx
> the proxy get the packet, and it will see the destination ip
> 127.0.0.1, isn't it? So how can I find out the original
> destination
> ip address of the packet?
>=20
> Like linux with iptables:
> getsockopt(... SO_ORIGINAL_DST ...)
>=20
> Or with ipfilter's natlookup_t structure.
> (Long to insert here)
>=20
> But how, with ipfw?
>=20
> Any help (man/rtfm ;-) is appreciated,
> Best regards,
>=20
> Szabados Jozsef
> ps.: sorry for my bad english ;-)
>

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