Re: [Add] I-D Action: draft-reddy-add-enterprise-split-dns-08.txt

Michael Richardson <mcr@sandelman.ca> Mon, 24 January 2022 17:36 UTC

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From: Michael Richardson <mcr@sandelman.ca>
To: Paul Wouters <paul.wouters=40aiven.io@dmarc.ietf.org>, Ben Schwartz <bemasc=40google.com@dmarc.ietf.org>, ADD Mailing list <add@ietf.org>, tirumal reddy <kondtir@gmail.com>
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Date: Mon, 24 Jan 2022 12:36:05 -0500
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Subject: Re: [Add] I-D Action: draft-reddy-add-enterprise-split-dns-08.txt
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Paul Wouters <paul.wouters=40aiven.io@dmarc.ietf.org> wrote:
    > On Mon, 24 Jan 2022, Ben Schwartz wrote:

    >> That is not clear from the text at all. In that case, yes you cover
    >> all the cases of split-dns but then I wonder how the external server
    >> will somehow "confirm authorization" of "corp.example.com" on the
    >> internal server if the externl server returns NXDOMAIN or REFUSED
    >> because the domain is internal only ? Especially because the
    >> connecting client is supposedly sending this query over its own
    >> trusted (encrypted) resolver to the public nameserver, reachin the
    >> public nameserver's external "view".
    >>
    >> In this case, "corp.example.com" would be publicly visible

    > You have now redefined split-dns again to be only the cases where the

No, because split-dns was never properly defined :-)

That's the IETF's fault.
We should fix this through some set of adjectives in a BCP.

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