Re: [OPSAWG] revisions in draft-ietf-opsawg-mud-iot-dns-considerations-01

Michael Richardson <mcr+ietf@sandelman.ca> Tue, 06 April 2021 00:23 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: tirumal reddy <kondtir@gmail.com>, opsawg <opsawg@ietf.org>
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Date: Mon, 05 Apr 2021 20:23:23 -0400
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Subject: Re: [OPSAWG] revisions in draft-ietf-opsawg-mud-iot-dns-considerations-01
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tirumal reddy <kondtir@gmail.com> wrote:
    >> I think that your comment misses the point.  It isn't about DNS
    >> filtering, it's about the MUD controller getting the same view of DNS
    >> as the device.

    > I don't think it is possible for the MUD manager to get the same
    > responses to DNS queries as the IoT device even if both of them use the
    > same DNS recursive server (e.g., successive DNS queries may never
    > resolve to the same IP address).

So, short of deploying SOCKS5 for all IoT devices, what should we do?

--
Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
           Sandelman Software Works Inc, Ottawa and Worldwide