On Thu, Dec 24, 2015 at 08:01:14AM +0530, Mukund Sivaraman wrote: > Hi all > > https://tools.ietf.org/html/draft-ietf-dnsop-edns-client-subnet-06 > > says in Section 6. Option Format: > > > o A server receiving an ECS option that uses more ADDRESS octets > > than are needed, or that has non-zero bits set beyond SOURCE > > PREFIX-LENGTH, SHOULD return REFUSED to reject the packet, as a > > signal to the developer of the software making the request to fix > > their implementation. > > FORMERR seems more appropriate than REFUSED for an implementor to notice > format issues, and perhaps this has been raised on this list already. If > you can change this, please change this to FORMERR.
Also note that section 7.2.1 is almost disagreeing with the above:
> A query with a wrongly formatted option (e.g., an unknown FAMILY)
> MUST be rejected and a FORMERR response MUST be returned to the
> sender, as described by [RFC6891], Transport Considerations.
Mukund
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