On Thu, Mar 27, 2008 at 3:16 PM, Tim Evans <tkevans@(protected):
> We have been running Sun's Solaris 9 BIND (reported as version 8.3.3) for some
> years and are retiring the old hardware. However, we came across an apparent
> syntax issue in moving the RHEL's BIND.
>
> Here's a piece of the old data file:
>
> oldmail        IN    A     192.168.9.2
>           IN    MX    100   mail
>

There are major differences between 8.x and 9.x in handling stuff. 8
was a bit loser in RFC checking and 9 is much more. MX records have to
point to A records and not CNAMES. 8 would allow CNAMES to act as A's
in various ways but the RFC did not allow it and 9 cracked down.

Hope that helps.


> Note the empty first field of the second line. Solaris BIND has never
> complained about this. "mail" is published as a CNAME in the outside world,
> since it is our main mail server.
>
> However, RHEL's BIND barfs on this missing data field. And, the MX record gets
> lost and not sent upstream if we turn the Solaris BIND off.
>
> What's wrong here? thanks.
> --
> Tim Evans, TKEvans.com, Inc.   |  5 Chestnut Court
> UNIX System Admin Consulting   |  Owings Mills, MD 21117
> http://www.tkevans.com/      |  443-394-3864
> http://www.come-here.com/News/ |  tkevans@(protected)
>
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--
Stephen J Smoogen. -- CSIRT/Linux System Administrator
How far that little candle throws his beams! So shines a good deed
in a naughty world. = Shakespeare. "The Merchant of Venice"

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