From: Wietse Venema (no email)
Date: Sun Jan 13 2002 - 16:35:36 EST
Michael Tokarev:
> Wietse Venema wrote:
> >
> > Juri Haberland:
> > > "David Behr" <> wrote:
> > > > Hi
> > > >
> > > > I've got a box with 2 IPs on the same NIC. I want postfix to listen only to
> > > > the one IP. I have tried using smtp_bind_address but it still accepts
> > > > connections on both IPs. In fact netstat -n -a --ip shows:
> > > >
> > > > tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN
> > > >
> > > > Is this the wrong parameter? Is there another one to achieve this? It's not
> > > > the end of the world since I can use ipchains to block SMTP to the second
> > > > address - but it would be interesting to know if postfix can do this.
> > >
> > > smtp_bind_address is for the sending part (smtp). I don't know if there is a
> > > config option for the receiving part (smtpd).
> >
> > If Postfix should listen on only one IP address, specify
> >
> > inet_interfaces = $myhostname
> >
> > in the main.cf file.
>
> Or specify appropriate addresses in master.cf for smtpd process.
No this is wrong. If he wants to bind Postfix to one interface then
he should set inet_interfaces. This way the SMTP client uses the
right source IP address, too.
Wietse
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