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Update draft-ietf-add-resolver-info.md
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Co-authored-by: Med <[email protected]>
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tireddy2 and boucadair authored Feb 21, 2024
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Expand Up @@ -118,7 +118,7 @@ Reputation:
with the risk that a resolver does not support RESINFO. The resolver might
pass the query upstream, and then the client can receive a positive RESINFO response either
from a legitimate upstream DNS resolver or an attacker. The DNS client MUST
set the Recursion Desired (RD) bit set to 0 to ensure the response is provided by the resolver.
set the Recursion Desired (RD) bit of the query to 0 to ensure that the response is provided by the resolver.
If the resolver does not support RESINFO, it will return an authoritative name error.
In addition, if a client sees the RESINFO in the Answer section, it can detect that
the response is not provided by the resolver and discards the response.
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