Reverse address entries

[Ward, Mike S]

I want to thank everyone for their input. It sounds like they do need the reverse address entries in specific circumstances so I'm going to recommend that they add them.

Thank you.

From: Leonard Mills [mailto:lenm at yahoo.com]
Sent: Friday, June 28, 2013 2:52 PM
To: Ward, Mike S; bind-users at lists.isc.org
Subject: Re: Reverse address entries

At about Friday, June 28, 2013 10:54 AM Ward, Mike S" <mward at SSFCU.org<mailto:mward at SSFCU.org>> wrote:

>Hello all, is there any reason to setup reverse address entries
>for a zone?

It very much depends on the reasons for the forward entries.

For example:

Commercial backup software for Microsoft servers require
forward-reverse-forward matching.  They won't move bytes
unless a lookup returns an IP, the reverse lookupo returns a
name and a forward lookup for that name matches.

Commercial and open source email handlers are often
configured (some as a default) to refuse or quarantine messages
from inbound sessions using non-matching host==>IP==>host
entries.

If it's for a local experimental lab, it might be a waste of your
time to even create the reverse zones.

Hth,
Len

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