On 2021-05-05, Axel Rau <axel....@chaos1.de> wrote:
>> 
>> check the table name …
>
> But even with the correct table name I had to flush states to get it working.

That is expected. A state lookup is done before parsing the ruleset.
You can try clearing states with pfctl -k but there are some issues, it
doesn't always work.

> Does anyone has a script handy to update the table to black hole dns clients 
> which repeat same query with high frequency?

This is usually best dealt with in your DNS server software e.g. by using
the rrl-* configuration in NSD, see nsd.conf(5), or "rate-limit" config
section in BIND.


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