rndc stops listening

[Ondřej Surý]

John,

please report the issue to the ISC GitLab.

Thanks,
--
Ondřej Surý — ISC (He/Him)

My working hours and your working hours may be different. Please do not feel obligated to reply outside your normal working hours.

> On 7. 4. 2021, at 19:32, John Thurston <john.thurston at alaska.gov> wrote:
> 
> I now see this same behavior running BIND 9.16.12 on Ubuntu
> 
> I have never seen it on my instances running 9.11.x on Centos
> 
> I'd sure like to figure out why (or even when) it stops listening on port 953. Does anyone have any suggestions?
> 
> --
> Do things because you should, not just because you can.
> 
> John Thurston    907-465-8591
> John.Thurston at alaska.gov
> Department of Administration
> State of Alaska
> 
>> On 12/11/2020 11:13 AM, John Thurston wrote:
>> Running BIND 9.16.9 on CentOS 8
>> I have the following in my .conf
>>> controls {
>>>   inet 127.0.0.1 port 953
>>>     allow { 127.0.0.1; } keys { "mykey"; };
>>>   inet 10.2.0.1 port 953
>>>     allow { 10.2.3.3; 10.2.4.3; }
>>>     keys { "threekey"; "fourkey"; };
>>> };
>> And I normally can see the named process is listening on tcp:953 on both 127.0.0.1 and 10.2.0.1.   But sometimes later, I find it listening only on 127.0.0.1.   If I do an 'rndc reconfig', it starts listening again on both addresses. Normal DNS service has continued uninterrupted.
>> I can't find footprints left from anything falling down. I'd could just install a watchdog to 'reconfig' whenever port 953 stops answering, but I'd rather figure out why it is stopping and correct the problem. To do that, I need more information.
>> Am I not looking in the correct log?
>> Do I need to crank up the logging level for something?
>> If so, for what? and how high?
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