Re: BIND 9.21.22 and logging of REFUSED and FORMERR

Hi there,

On Thu, May 28, 2026 at <sthaug@...> wrote:
> ...
> If I try 9.21.22 on one of our active resolvers (~ 30k qps or more),
> there is so much logging of this type that it completely swamps any
> other logging, making the logging basically unusable. The only way I
> have found of getting rid of REFUSED logging is to use
>
> category default { null; };
>
> but that also drops basically *all* other logging, which is not
> desirable.
> ...

As a temporary solution you could for example use syslog-ng to filter
your log streams.

https://syslog-ng.github.io/admin-guide/080_Log/030_Filters/000_Using_filters.html

-- 

73,
Ged.
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