Do you need every port on the mail server to be exposed to the internet? that's how I originally interpreted your question. If you only need mail server ports, then use the rdr statement, which you can again read about in the pf.conf man page. Otherwise, you will need to alias another ip to your obsd box and binat traffic destined to that address to your mail server.
On 5/14/05, GV <[EMAIL PROTECTED]> wrote: > > thanks for your prompt reply. > > I do agree with you but when reading the manual concerning binat it says: > > ---- > ..Connections from the Internet to the external address will be translated > to > the internal address.. > ---- > > which means that ANY connection from the Internet will be > translated/redirected to this specific server which actually discharges my > whole LAN? > > To be more specific, I first tried the following configuration: > > ---------- > binat on $ext_if from $cam1 to any -> $ext_if > nat on $ext_if from $int_if:network to any -> $ext_if > ---------- > > and couldn't ssh my server any more cause my connection was automatically > redirected to port 22 of the internal machine where no sshd was > running!!!!!!! > > I think that I misunderstood binat but couldn't find any detailed docs or > examples how to use it. If you have time to provide me some directions to > this? > > Thanks for your support > > George > > On Saturday 14 May 2005 23:46, Abraham Al-Saleh wrote: > > Use binat. > > > > From man (5) pf.conf: > > > > "binat > > A binat rule specifies a bidirectional mapping between an external > > IP netblock and an internal IP netblock." > > > > read the pf.conf manual page for more information. > > > > On 5/14/05, GV <[EMAIL PROTECTED]> wrote: > > > Hi, > > > > > > I have a situation where an internal (located in a LAN and behind a > > > OpenBSD > > > firewall/NAT) has to be fully exposed to the Internet! What's the best > > > way to > > > acieve that? > > > > > > Thanks > > > > > > George > -- Abe Al-Saleh And then came the Apocolypse. It actually wasn't that bad, everyone got the day off and there were barbeques all around.
