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Re: [tor-bugs] #31391 [Circumvention/Snowflake]: Do a reachability check before polling for clients (was: Block censored countries from running snowflakes)

#31391: Do a reachability check before polling for clients
-------------------------------------+------------------------
 Reporter:  cypherpunks              |          Owner:  (none)
     Type:  defect                   |         Status:  new
 Priority:  Medium                   |      Milestone:
Component:  Circumvention/Snowflake  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:                           |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
-------------------------------------+------------------------
Description changed by cohosh:

Old description:

> I'm looking at
> https://trac.torproject.org/projects/tor/attachment/ticket/29461/example_metrics.log
> and I've seen one `TR=2` and another `TR=5` record. I'm not aware of the
> current situation in TR but as far as I remember Tor was censored there
> (it is even stated in the Torlauncher).
>
> I propose to add a geoip check after the WebRTC check, and inform users
> in a list of censored countries that they can't run a snowflake proxy.

New description:

 I'm looking at
 https://trac.torproject.org/projects/tor/attachment/ticket/29461/example_metrics.log
 and I've seen one `TR=2` and another `TR=5` record. I'm not aware of the
 current situation in TR but as far as I remember Tor was censored there
 (it is even stated in the Torlauncher).

 We can have a snowflake do a reachability check of the bridge(s) and
 broker (and maybe Tor domains/dirauths) before trying to poll for clients.
 If this check fails, we should display a user-facing error message or
 warning and hold off on polling while the bridge is unreachable

--

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31391#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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