Date: Fri, 18 Jun 2004 23:46:08 -0300 From: "Renato Marques" <renato_fbsd@optrade.com.br> To: "Matt Juszczak" <matt@atopia.net> Cc: freebsd-questions@freebsd.org Subject: Re: Redirection with a bridge ? Message-ID: <004201c455a7$93346380$2101a8c0@p4> References: <40D3752A.8000809@atopia.net> <006301c4558a$4b8b88a0$2101a8c0@p4> <009201c4558c$2b0ef740$2101a8c0@p4> <40D3A075.6050209@atopia.net>
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Hmmm.. I really can't think about some solution... All of them involve a
router before, in or after the bridge.
How about proxying before the bridge?
> So in summary, do I basically either have to do routing or a NAT, or
> find another alternative? There's no way to just bridge the traffic and
> do what i want?
>
> Thanks! :)
>
> -Matt
>
> Renato Marques wrote:
>
> > Well, in the TCP/IP Model, IP is layer 2 and TCP/UDP layer3.
> >
> >
> >
> >
> >>I dont think a bridge could do some like that. A bridge see only IP
> >>packets, where are no information about ports, ports are used in TCP and
> >>UDP.
> >> Actualy, I think Layer 3 is where the IP protocol besides. NAT is
done
> >>on layer 4... but i could be wrong...
> >>
> >>
> >>
> >>
> >>>Hello all,
> >>>
> >>>Is there a way to do IP redirection without using layer 3? (IPNAT or
> >>>routing)? I have a bridge setup and want to redirect any port 80
> >>>traffic outgoing through the bridge to a specific server .... but it
> >>>seems I can only do this with ipfw's forward/fwd or ipnat's rdr
commands
> >>>... which are all layer 3 oriented and dont work with just a bridge...
> >>>
> >>>Any ideas?
> >>>
> >>>Thank you in advance for anyone's help,
> >>>
> >>>Matt
> >>>_______________________________________________
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