<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">On Jul 11, 2022, at 09:49, Jan Komissar (jkomissa) <jkomissa@cisco.com> wrote:</div><div dir="ltr"><br></div><div dir="ltr"><blockquote type="cite"><span style="font-family: Calibri, sans-serif; font-size: 11pt;">I think a non-positive reply is any reply that is not directly related to the DNS query itself. NOERROR and NXDOMAIN are (positive) responses that are directly related, as they answer the query.</span></blockquote><div dir="ltr"><br></div><div dir="ltr">Oh, I agree with that. And a name error is cacheable which in this context surely illustrates that it does not represent a failure to send a query or receive a response.</div><br><blockquote type="cite"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"> All other response codes are related to other
circumstances, such as network issues, ACLs, misconfigurations, and misformatted packets.</span></blockquote><br></div><div dir="ltr">I suppose there's an element of this that depends on the intent and purpose of the query which is not necessarily evident. A query that is sent in order to test an ACL and elicits a REFUSED response might be positive, if your goal is to confirm that the query is blocked. I appreciate that's almost certainly not the intention from the perspective of unbound or its administrator. </div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">Joe</div><blockquote type="cite"><div dir="ltr"><div class="WordSection1"><div>
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