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Date:      Fri, 19 Oct 2007 01:40:42 -0500
From:      David DeSimone <fox@verio.net>
To:        freebsd-pf@freebsd.org
Subject:   Re: NAT problem
Message-ID:  <20071019064041.GA18889@verio.net>
In-Reply-To: <c64c15310710181741h78a4c0a0vfe32f3553ccd3915@mail.gmail.com>
References:  <c64c15310710181741h78a4c0a0vfe32f3553ccd3915@mail.gmail.com>

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Nicolas Salvo <nicolas.salvo@gmail.com> wrote:
>
> nat on $ext_if from $int_net to $proxy_bypass_needed port 80 -> $ext_if port 81
> 
> This was our best effort but we only changed the source port to 81,
> and we need to change the destination port.

Use "rdr" command instead of "nat".

The documentation talks around and around this without actually saying
it, but it is as simple as this:  "nat" modifies the source IP / port. 
"rdr" modifies the destination IP / port.

- -- 
David DeSimone == Network Admin == fox@verio.net
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