5 ms·
(monitoring tool author here) Agree. Makes sense. We should have run this test with RD bit unset. But .. IIRC if RD is set when quering a non-recursive, it sho
by sajal83 11y ago
(monitoring tool author here)
Agree. Makes sense. We should have run this test with RD bit unset.
But .. IIRC if RD is set when quering a non-recursive, it should respond normally with authoritative response Recursion Available (RA) flag unset. It does not mean it should drop the query totally.
- jamiesonbecker 11y agoDropping bad queries is often a DDoS countermeasure.