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Date:      Wed, 6 Dec 2006 09:37:49 -0600
From:      "Roger Miranda (Digital Relay)" <rmiranda@digitalrelay.ca>
To:        Gergely CZUCZY <phoemix@harmless.hu>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: PF rdr from one port to another
Message-ID:  <200612060937.49554.rmiranda@digitalrelay.ca>
In-Reply-To: <20061206153119.GA95733@harmless.hu>
References:  <200612060916.53866.rmiranda@digitalrelay.ca> <200612060928.47988.rmiranda@digitalrelay.ca> <20061206153119.GA95733@harmless.hu>

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On Wednesday 06 December 2006 09:31, you wrote:
> On Wed, Dec 06, 2006 at 09:28:47AM -0600, Roger Miranda (Digital Relay) 
wrote:
> > On Wednesday 06 December 2006 09:22, Gergely CZUCZY wrote:
> > > On Wed, Dec 06, 2006 at 09:16:52AM -0600, Roger Miranda (Digital Relay)
> >
> > wrote:
> > > > Hey Everyone, First time poster here.
> > > >
> > > > I have a freebsd 6.1 setup with if_bridge. Two nics.
> > > > I am running squid on the bridge itself.
> > > >
> > > > I having some issues doing the routing with PF.
> > > > i have:
> > > >
> > > > rdr on $int_if inet proto tcp from $net to any port www -> $proxy
> > > > port 3128
> > >
> > > is $int_if the internal or the bridged interface?
> > > what is $proxy?
> >
> > Sorry about that,
> >
> > ext_if="em0"
> > int_if="em1"
> > bridge_if="bridge0"
> > net="192.168.0.0/16"
> > proxy="127.0.0.1"
>
> nice. use brdige_if.
> i remember somewhere reading about this, the bridge interface
> should be used for filtering, and not the induvidual interfaces
When i do a rdr on $bridge_if, it just seems to bypass everything.
>
> > em0 = 192.168.0.74
> > em1 = 192.168.0.75
> >
> > > > pass in log all keep state
> > > > pass out log all keep state
> > >
> > > it'd be wise to specify interfaces also here.
> > >
> > > > Now fromt the workstation I type in "http://slashdot.org" and it see
> > > > pass through squid, but now it is trying to connect to
> > > > "http://slashdot.org:3128"
> > >
> > > what is "it" that conects to :3128 ?
> > > 1) it == the client
> > > 2) it == the squid proxy
> >
> > It's the proxy trying to redirect it to :3128, I just see that by looking
> > at tcpdump.
>
> interesting, it shouldn't. have you configured squid to act
> as a transproxy on that port, and have pf support built into squid?
> i think that you must have to use this feature.
Yes. I do have trasparent pf compiled into squid.
>
> Bye,
>
> Gergely Czuczy
> mailto: gergely.czuczy@harmless.hu



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