Firewall Wizards mailing list archives

Re: DNS Names for external services


From: Paul Melson <pmelson () gmail com>
Date: Thu, 22 Apr 2010 06:43:57 -0400

On Mon, Apr 19, 2010 at 11:43 AM, Dave Piscitello <dave () corecom com> wrote:
Also, consider the low esteem IP addresses have in email. Many antispam
software aggressively downgrade email containing IP addresses. If you intend
to notify folks of the availability of services via email, aren't you
increasing the probability that someone's antispam measures will block
delivery?

I couldn't rule it out. At the same time, if that communication is
across a single org, this isn't likely an issue.


[I suppose you could ask your users and customers to scan your IP addresses
to find services. If you even pause to consider this option...]

This I love!  We'll have Help Desk install a copy of NMap on
everyone's laptop and send them directions on how to use it to find
the VPN concentrator each time it moves.  Also, we'll neglect to tell
the incident handlers.  It'll keep them on their toes. :-)

PaulM
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