Re: Avoiding Postfix Fingerprinting

[Joachim Schipper <j.schipper () math uu nl>]

On Tue, Mar 08, 2005 at 12:20:24PM +0100, Isidro Labrador wrote:
> I have run nessus against a remote machine, and it has discovered that the
> server is running postfix 1.1.11. Nessus has fingerprinted the server
> through smtpscan (plugin 11421). The question is: is there a way to avoid
> being fingerprinted in Postfix?
>
> Thanks in advance for your answers,
>
> Regardes
> Isidro Labrador Rodr?guez

See postconf(5), under smtpd_banner. (I'm pretty sure Nessus just grabs
the banner; however, some more advanced fingerprinting is possible, if
someone is very knowledgeable.)

                Joachim