BIND Bug

[Mark.Andrews at nominum.com]

> 
> People,
> 
> We are running:
> 
> named 8.1.2-REL
> 
> On Compaq T64 v5.0A.
> 
> There appears to be a problem with RR CNAME / MX's
> 
> See below:
> 
> # cat ns.sh
> nslookup <<HERE
> ls tafensw.edu.au.
> HERE
> 
> # sh ns.sh | grep -i sci
> sci                     30M IN CNAME    hadsy8.isd
> 
> tafensw.edu.au.db:sci                   IN      CNAME
> hadsy7.isd.tafensw.edu.au.
> tafensw.edu.au.db:sci                   IN      CNAME
> hadsy8.isd.tafensw.edu.au.
> 
> Before we scream down an upgrade to 8.2.2PL5, does anyone know if this is a
> known defect in 8.1.2?

	No. It is an illegal configuration.  There can be only one
	cannonical name.  BIND 8.2.2-P5 complains even more.  If you
	really need multiple-cnames that set that option however it is
	not availble in BIND 9.

	I suggest that you also look at:
	http://www.isc.org/products/BIND/bind-security-19991108.html

	Mark
> 
> Kindest Regards,
> 
> Guy
> 
> 
> 
> Guy R. Loucks
> Senior Unix Systems Administrator
> Networks Branch
> NSW Department of Education & Training
> Information Technology Bureau
> Direct +61 2 9942 9887
> Fax +61 2 9942 9600
> Mobile +61 (0)429 041 186
> Email guy.loucks at det.nsw.edu.au
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com