Allow Multiple-Cnames in BIND 9

Danny Mayer mayer at gis.net
Fri Nov 30 03:54:50 UTC 2001


At 01:49 PM 11/29/01, Justin M. Wilson wrote:

>On 29 Nov 2001, Jim Reid wrote:
> > There is no workaround. You have to fix your zone files so that they
> > are legal. As they should have been set up. You might find that
> > replacing the CNAMEs with A records will be a workable kludge.
> >
>
>
>Well, it's not me. It's a to-be unamed company that we work with
>extensively. They have a set up that directly violates the RFC's and we
>have to make do with it. The replacing CNAME with A record solution
>doesn't work because of the sheer quantity of the entries involved. Most
>OS's will truncate the answers and cause it not to work.
>
>Unfortunately this client insists on load-balancing via DNS despite my
>arguments, best wishes, and typical practices.
>
>So you're telling me there is no way around this?

Yes. Have them fix the CNAME's. You'll just need to tell them that in order
to continue doing business with you they will need to fix this.  Point them
to the RFC's for evidence.  There are limits to what you should agree to
do.

         Danny



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