[Opendnssec-develop] NSEC3 salt handling, do we need tools perhaps?

Olaf Kolkman olaf at NLnetLabs.nl
Wed Sep 18 17:50:30 CEST 2013


On 18 sep. 2013, at 16:08, Jerry Lundström <jerry at opendnssec.org> wrote:

> 
> Say for example that you have two nodes, A and B, both running the same KSK and ZSK but different salts. A is primary and the signed zone it has generated is live. A then breaks down and we send a new update of the zone to B and it generates a new signed zone with the same KSK and ZSK but with a different NSEC3 salt.
> 
> Can or will there be a problem here when that zone goes live?

From the point of view from the resolver this is a pretty atomic operation and I do not immediately (in the few minutes I thought about this) see a problem.

From the point of view from the authoritative name servers to which A and B push their content this will trigger a full zone changes i.e. an AXFR instead of an IXFR.  That could be painful.

--Olaf

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