Date: Wed, 27 Mar 2002 15:38:01 -0800 From: "Crist J. Clark" <cjc@FreeBSD.ORG> To: Szabados Jozsef <szabadosjozsef@freemail.hu> Cc: freebsd-ipfw@FreeBSD.ORG Subject: Re: transparent proxying Message-ID: <20020327153801.T89885@blossom.cjclark.org> In-Reply-To: <freemail.20020227133246.60118@fm2.freemail.hu>; from szabadosjozsef@freemail.hu on Wed, Mar 27, 2002 at 01:32:46PM %2B0100 References: <freemail.20020227123005.5030@fm1.freemail.hu> <freemail.20020227133246.60118@fm2.freemail.hu>
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On Wed, Mar 27, 2002 at 01:32:46PM +0100, Szabados Jozsef wrote:
> Sorry, I forgot the subject.
>
> Szabados Jozsef <szabadosjozsef@freemail.hu> írta:
>
> > Hi!
> >
> > I would need some starting info about transparent proxying.
> >
> > 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?
It will be _delivered_ to 127.0.0.1
> > So how can I find out the original
> > destination
> > ip address of the packet?
Read it out of the packet. 'fwd' makes no modifications to the
packet.
--
Crist J. Clark | cjclark@alum.mit.edu
| cjclark@jhu.edu
http://people.freebsd.org/~cjc/ | cjc@freebsd.org
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