[ooni-dev] Timeline of Tor blocking

Sadia Afroz sadia.afroz at berkeley.edu
Mon Feb 2 23:48:09 UTC 2015


This is great!
Thanks!


On Mon, Feb 2, 2015 at 1:20 PM, Collin Anderson <collin at averysmallbird.com>
wrote:

> Tor's site was blocked in Turkey in March 2014: http://cartography.io/
>
> For the event described as "Iran – 2013 – TCP reset on all non-HTTP": this
> was actually a traffic shaping behavior that matched TCP connections
> against a whitelist (HTTP or HTTPS), if the connection did not match this
> behavior, then the throughput was throttled down to 1 packet per second
> after sixty seconds. Psiphon's bypass mechanism was to prepend "GET /
> HTTP1.0" in front of traffic streams.
>
> On Mon, Feb 2, 2015 at 2:58 PM, Sadia Afroz <sadia.afroz at berkeley.edu>
> wrote:
>
>> Hi all,
>> I am trying to make a list of events when different censorship regimes
>> blocked Tor.
>> The goal is to understand the censorship arms race, especially
>> capabilities of current censors and how long it took Tor to resolve those
>> issues.
>>
>> The attached pdf has all the events I could find.
>> I collected these events from the Tor blog, the bug tracker and the
>> censorship wiki.
>>
>> For some of the events I couldn't find any dates and also I'm not sure if
>> this is a complete list of all the censorship events.
>>
>> Can any of you help me find dates of some of the events or direct me to
>> other sources of information to find more events?
>>
>> Thanks!
>> --
>> Sadia
>>
>>
>>
>> _______________________________________________
>> ooni-dev mailing list
>> ooni-dev at lists.torproject.org
>> https://lists.torproject.org/cgi-bin/mailman/listinfo/ooni-dev
>>
>
>
>
> --
> *Collin David Anderson*
> averysmallbird.com | @cda | Washington, D.C.
>
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