rfc9609v2.txt   rfc9609.txt 
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An on-path attacker who sees a priming query coming from a resolver An on-path attacker who sees a priming query coming from a resolver
can inject false answers before a root server can give correct can inject false answers before a root server can give correct
answers. If the attacker's answers are accepted, this can set up the answers. If the attacker's answers are accepted, this can set up the
ability to give further false answers for future queries to the ability to give further false answers for future queries to the
resolver. False answers for root servers are more dangerous than, resolver. False answers for root servers are more dangerous than,
say, false answers for TLDs, because the root is the highest node of say, false answers for TLDs, because the root is the highest node of
the DNS. See Section 3.3 for more discussion. the DNS. See Section 3.3 for more discussion.
In both of the scenarios listed here, a validating resolver will be In both of the scenarios listed here, a validating resolver will be
able to detect the attack if its chain of queries comes to a zone able to detect the attack if its chain of queries comes for a zone
that is signed, but not for those that are unsigned. that is signed, but not for those that are unsigned.
7. IANA Considerations 7. IANA Considerations
This document has no IANA actions. This document has no IANA actions.
8. References 8. References
8.1. Normative References 8.1. Normative References
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