also-notify with multiple occurrences of same IP address

Graham Clinch g.clinch at lancaster.ac.uk
Mon Jan 19 20:54:06 UTC 2015


On 19/01/2015 19:10, Evan Hunt wrote:
> On Mon, Jan 19, 2015 at 05:56:52PM +0000, Graham Clinch wrote:
>> I think this is down to an optimisation in lib/dns/zone.c which checks
>> whether a notification is already queued to the same 'dst' address,
>> ignoring whether the key differs (roughly line 9990?).
>>
>> Is this the 'correct' behaviour?  It wasn't what I was expecting, but I
>> can see how we got here.
> 
> I haven't confirmed the behavior yet, but I agree that this sounds like
> a bug.
> 
> Would you mind opening a ticket at bind9-bugs at isc.org?

Thanks Evan - I've logged '[ISC-Bugs #38369] also-notify sends a maximum
of one notification per dst address, even if multiple keys are specified'.

Graham


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