[tor-talk] Legal or not on monitoring traffic at a Tor exit?

Xinwen Fu xinwenfu at gmail.com
Mon Oct 24 04:03:58 UTC 2011


Thanks for the information, guys. I'm teaching a digital forensics class and
trying to clean up these tangling laws.

Xinwen Fu

On Sun, Oct 23, 2011 at 10:56 PM, Roger Dingledine <arma at mit.edu> wrote:

> On Sun, Oct 23, 2011 at 10:18:41PM -0400, Xinwen Fu wrote:
> > I'm just asking the legal liability of running Tor exits and making it
> > clear. I don't bother with modifying somebody's traffic.
> >
> > Basically, you are saying once we run exits, the computers are not our
> own
> > computers any more:
> >
> > Tor exit operators == ISP, from the perspective of laws.
> >
> > What if somebody attacks my computer running a Tor exit via Tor? I have
> to
> > call police since I cannot check the content of the attack traffic?
>
> The issue as I understand it is that when you are not an endpoint of
> the Tor flows (meaning they go from some Tor user to some destination
> like a website), looking at the content of the flows is wiretapping.
>
> If you are the endpoint of one of the flows, then you can look at the
> content of that flow (but still not at the content of other flows).
>
> As Greg said, I'd suggest you read the legal faq. I'd be happy to
> introduce you to some lawyers who can help explain further details. Paul
> Ohm (Colorado) and Marcia Hofmann (EFF) come to mind.
>
> There was also a panel at PETS this year on the ethics of research on
> the Tor network. Eventually some notes from it will find their way onto
> the wiki, but consensus results for researchers like "don't wiretap"
> shouldn't surprise you.
>
> --Roger
>
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