Yes, I found it in the page, sorry to ask :-)

2008/2/15, Richard Daemon <[EMAIL PROTECTED]>:
>
>
> On Fri, Feb 15, 2008 at 11:19 PM, Jose H. <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > I have a screened network with nat+rdr
> >
> > Using nat I have some like this
> >     nat on $ext_if from $int_server1 to port smtp -> $ext_server1
> >
> > Using rdr I have:
> >     rdr on $ext_if proto tcp to $ext_sever1 port smtp -> $int_server1
> >
> > And then:
> >     pass inet proto tcp to { $int_server1, $ext_server1 } port smtp keep
> state
> >
> > I also have:
> >     pass inet proto tcp from $int_net to $ext_if:network keep state
> >
> >
> > The only problem is that the internal servers can't connect to the
> external IPs
> > for example:
> >
> > from $int_server3 to $ext_server1 on smtp
> >
> > Any help appreciated !
> >
> > --
> > Write to be understood, speak to be heard, read to grow.
> >
> >
>
> This reason is very well explained in the newest OpenBSD PF book by Peter N.
> M. Hansteen (The Book of PF) :-).
>
> I highly recommend it as a great complement to the PF FAQ.
>
>
>


-- 
Write to be understood, speak to be heard, read to grow.

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