Hi Evan,

That's true there is a case here. This way around it makes sense to have that 
rndc call. Thanks for clearing this one up.

Cheers,

--
Wolfgang Nagele
Senior Systems and Network Administrator
AusRegistry Pty Ltd
Level 8, 10 Queens Road
Melbourne, Victoria, Australia, 3004
Phone +61 3 9090 1756
Email: wolfgang.nag...@ausregistry.com.au
Web: www.ausregistry.com.au


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On Mar 7, 2012, at 12:49 PM, Evan Hunt wrote:

> On Wed, Mar 07, 2012 at 10:33:24AM +1100, Wolfgang Nagele wrote:
>> Nothing says so in the specs: http://tools.ietf.org/html/rfc5155#section-4
> 
> It does, actually:  "The presence of an NSEC3PARAM RR at a zone apex
> indicates that the specified parameters may be used by authoritative
> servers to choose an appropriate set of NSEC3 RRs for negative responses."
> 
> In other words, by putting NSEC3PARAM in place, you're telling your
> slaves that they can rely on the existence of a full and complete NSEC3
> chain matching those parameters.  If the zone isn't signed yet, or the
> NSEC3 chain isn't fully generated yet, then that could cause breakage.
> 
> The way we work around this is by using a special private-type record
> (TYPE65534, by default) into the zone, which contains your intended NSEC3
> parameters.  After named has finished generating the chain, it removes
> the private record.  (You could insert this record into the unsigned
> zone if you wanted to, and it would work, but using rndc is a lot
> easier.)
> 
> -- 
> Evan Hunt -- e...@isc.org
> Internet Systems Consortium, Inc.

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