[anti-censorship-team] Throttling: What's old is new again

Matthew Finkel sysrqb at torproject.org
Wed Apr 7 15:12:43 UTC 2021

On Wed, Apr 07, 2021 at 05:59:07PM +0300, Leonid Evdokimov wrote:
> I agree that SNI-based throttling is not new. The new things are:
> 1) throttling in Russia, 2) distributed while centralized setup of the
> throttling equipment. The second is different from the previous state of
> the filtering in Russia and is somewhat different compared to previous
> reports on China and Iran.

Yes, that is a good clarification, thanks. The article mentions that the
middleboxes are deployed at the ISPs but the filters are centrally
maintained and updated - and this is different from our (my?)
understanding of filter lists used in China (ad hoc?) and Iran

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