Re: limiting port 25 to an IP
On Sat, Oct 23, 2004 at 12:53:29AM +0200, Marcin Sochacki wrote:
> On Fri, Oct 22, 2004 at 02:11:01PM -0800, W.D.McKinney wrote:
> >
> > We run Debian testing on some servers and I have this question.
> > Is it possible to keep port 25 down to a single IP ?
>
> Use iptables.
In Exim(4), add something like this to your configuration file:
local_interfaces = 127.0.0.1 : your.ip.address.here
That will make it listen on 127.0.0.1 (the local interface) and one official
IP address. You can omit the 127.0.0.1 of course.
Bye for now,
Ward.
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