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Re: [babel] Secdir last call review of draft-ietf-babel-rtt-extension-04

Juliusz Chroboczek <jch@irif.fr> Mon, 15 January 2024 09:37 UTC

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Date: Mon, 15 Jan 2024 10:37:07 +0100
Message-ID: <875xzvhr98.wl-jch@irif.fr>
From: Juliusz Chroboczek <jch@irif.fr>
To: Shivan Sahib <shivankaulsahib@gmail.com>
Cc: secdir@ietf.org, babel@ietf.org, draft-ietf-babel-rtt-extension.all@ietf.org, last-call@ietf.org
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Subject: Re: [babel] Secdir last call review of draft-ietf-babel-rtt-extension-04
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> This document enhances the Babel routing protocol by allowing gathering
> of RTT measurements from neighbours (and then using that for routing
> decisions). From reading the Security Considerations of RFC 8966 (last
> para), it seems that geolocation privacy was a concern with the original
> Babel spec. Allowing extremely-fine-grained (1 microsecond) RTT
> measurements makes that infinitely worse, especially for users on mobile
> or behind VPNs, who typically have special privacy needs.

Thanks.  I've just submitted -05 which expands the security considerations
to mention this comment.

(Sorry for the delay, it looks like your mail got lost in the mass, and
thanks to Donald for sending me a friendly reminder.)

-- Juliusz Chroboczek

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