[nsd-users] nsec3 hash collision

Fredrik Pettai pettai at sunet.se
Mon Oct 9 11:20:48 UTC 2017


Hi Wouter,

We upgraded to NSD 4.1.17, but the problem still exists…

/P

> On 9 Oct 2017, at 09:30, W.C.A. Wijngaards <wouter at nlnetlabs.nl> wrote:
> 
> Hi Fredrik,
> 
> Yes that could be a good idea, that fix could already fix your issue.
> In case it doesn't, diagnostics from the new version are fine too.
> 
> Best regards, Wouter
> 
> On 08/10/17 16:02, Fredrik Pettai wrote:
>> Ok, this has surfaced once again on our slave running NSD 4.1.15
>> 
>> The triggering reason seems to be (remote) master is running Infoblox and the nsec3 hash collision comes then asking the slave about a  previously deletes record. I think this was the same senario as in the original case.
>> 
>> I see that 4.1.17 has a "Fix potential null pointer in nsec3 adjustment tree”.
>> 
>> Should I just upgrade and see if that resolves the issue, or do you want me to pull some diagnostics out of NSD before?
>> 
>> /P
>> 
> 
> 




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