Reverse address entries

Leonard Mills lenm at yahoo.com
Fri Jun 28 19:52:20 UTC 2013


At about Friday, June 28, 2013 10:54 AM Ward, Mike S" <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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