[120084] in North American Network Operators' Group
Re: Arrogant RBL list maintainers
daemon@ATHENA.MIT.EDU (Mike Lieman)
Wed Dec 9 12:12:39 2009
In-Reply-To: <3c3e3fca0912090857w1444c8c1ue4b3360445ba6eef@mail.gmail.com>
From: Mike Lieman <mikelieman@gmail.com>
Date: Wed, 9 Dec 2009 12:11:29 -0500
To: William Herrin <herrin-nanog@dirtside.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Is there an RFC detailing that specific text strings must be used for static
v. dynamic addresses?
I can understanding keeping rDNS in sync, but that's not the issue here, is
it?
On Wed, Dec 9, 2009 at 11:57 AM, William Herrin
<herrin-nanog@dirtside.com>wrote:
> On Wed, Dec 9, 2009 at 10:18 AM, Sven Olaf Kamphuis
> <sven@cyberbunker.com> wrote:
> > We've noticed that Trend Micro "mail-abuse.com" just "assumes" ips are
> > dynamic by default,
> >
> > because they just assume that working, rfc compliant, reverse dns that
> > just-so-happens to be automatically generated would indicate dynamic ip
> > space.
>
> Sven,
>
> Which is it? By default or because it looks automatically generated?
>
> By default would seem to be a problem. Automatically generated, not so
> much.
>
> If you haven't made the effort to set up and secure a mail server then
> you shouldn't be talking smtp to the hosts mail-abuse.com is used to
> protect. If you haven't bothered to set the reverse DNS to match your
> server's name then you haven't made the effort, at least not with a
> modicum of competence.
>
> Regards,
> Bill Herrin
>
> --
> William D. Herrin ................ herrin@dirtside.com bill@herrin.us
> 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
> Falls Church, VA 22042-3004
>
>
