Re: [93attendees] Network experiment during the meeting

Jared Mauch <jared@puck.Nether.net> Wed, 15 July 2015 12:15 UTC

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Date: Wed, 15 Jul 2015 08:15:28 -0400
From: Jared Mauch <jared@puck.Nether.net>
To: "Eric Vyncke (evyncke)" <evyncke@cisco.com>
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Cc: Rolf Winter <rolf.winter@hs-augsburg.de>, "93attendees@ietf.org" <93attendees@ietf.org>
Subject: Re: [93attendees] Network experiment during the meeting
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On Wed, Jul 15, 2015 at 09:14:22AM +0000, Eric Vyncke (evyncke) wrote:
> Like Toerless, I find interesting this discussion when we all know that WiFi (unless WPA is used) is 'broadcasted' everywhere.
> 
> During some previous IETF meetings, I used https://github.com/evyncke/mcast6 for one hour or two to collect aggregated statistics on IPv6 NDP & other multicast packets. Obviously, anybody could do it as the WiFi AP are configured in such a way that mcast packets are forwarded

	This is why I see it as a non-issue, the data is broadcasted and
nobody is compelled to utilize the IETF network or bring an electronic
device to attend the meeting.

	By having a device set to join the IETF network it seems
that opting-in to share your data has occured.  Some people may want
a form of explicit consent or other details, but I've been to this
rodeo before and expect people to snoop on me in a public forum
and take this into account.

	It's super easy to ID people regardless by DNS or VPN
type traffic.  Someone connecting to puck.nether.net via SSH is
going to be a short list.  Same goes for hitting up $employer VPN
endpoint/allocated IP space.

	- Jared