Subject: Re: [Int-area] Roman Danyliw's No Objection on draft-ietf-intarea-rfc7042bis-10: (with COMMENT)

From: Donald Eastlake <[email-masked]>
Date: Tue, 17 Oct 2023 01:18:13 -0400

Hi Roman,

On Mon, Oct 16, 2023 at 2:44 PM Roman Danyliw via Datatracker
<[email-masked]> wrote:
>
> Roman Danyliw has entered the following ballot position for
> draft-ietf-intarea-rfc7042bis-10: No Objection
>
> ...
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Thank you to Kyle Rose for the SECDIR review.
>
> Section 6.  Since specific security concerns around MAC addresses were cite, I
> would recommend being more comprehensive.
>
> OLD
>    See [RFC7043] for security considerations on storing MAC addresses in
>    the DNS.
>
> NEW (rough text)
>
> MAC addresses can be used as an identifier for tracking users and devices.  See
> [draft-ietf-madinas-mac-address-randomization] for related privacy
> considerations and a discussion of MAC address randomization to partially
> mitigate this threat.  Additionally, see [RFC7043] for the security and privacy
> considerations of publishing MAC addresses in DNS.
>
> MAC addresses are an identifier provided by a device to the network.  On
> certain devices, MAC addresses are not static, and can be configured.  The
> network should exercise caution when using these addresses to enforce policy
> (e.g., addresses can be spoofed, and previously seen devices can return to the
> network with a new address).

OK. I'll add some text along those lines.

Thanks,
Donald
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