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Drop sparse TSIG signing support in NSD · Issue #56 · NLnetLabs/nsd · GitHub
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Description
With the new RFC2845bis draft, sparse TSIG signing is deprecated. For backward compatibility, receiving sparse TSIG responses still needs to be supported.
From draft-ietf-dnsop-rfc2845bis-06, Section 5.3.1:
The TSIG MUST be included on all DNS messages in the response. For backward compatibility, a client which receives DNS messages and verifies TSIG MUST accept up to 99 intermediary messages without a TSIG.
If draft-ietf-dnsop-rfc2845bis will be an RFC, consider dropping sparse TSIG signing support in NSD.
-- Benno
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