IPv6 dns query control in non-routed (ULA) v6 networks?

Mark Andrews Mark_Andrews at isc.org
Fri Jun 20 23:50:12 UTC 2008

> Is there a method within BIND to allow named to listen on ipv6, but not 
> originate any queries over ipv6?  
> We're bringing up a dual-stack network using Unique Local Unicast address
> space, and my caching servers are attempting to perform recursion over
> v6 to some external servers.  I can't readily use an RFC3484 policy
> table on the host because it's an "appliance" and such a mod would be unsuppo
> rted.
> Thanks.

	The following may work.  Untested.


	server <ula_prefix>/48 {
		bogus no;

	server ::/0 {
		bogus yes;

Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org

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