[tor-dev] bittorrent based pluggable transport

[Dan Cristian Octavian]

Hi Leeroy,

If I understand correctly, you are arguing that my assumption that
bittorrent is unlikely to be blocked is faulty. I don't have a strong
argument against this, other than that it would be a very drastic move
since for that part of the world bittorrent is the main way to get access
to media files. As we've seen they've blocked already major things such as
facebook or google so it would not be surprising.


Can you please ellaborate on this question. "Under such circumstance
wouldn't it be possible to have a common peer show up in multiple unique
torrent swarms?"

I don't think i understand what you're getting to. In general for
bittorrent, a peer can be part of many swarms yes.

Also, you're suggesting that the reality that traffic shaping exists is a
good or bad thing? sorry, i'm not clear on this 1 either.

On Mon, Mar 2, 2015 at 3:19 PM, l.m <ter.one.leeboi at hush.com> wrote:

> Hi,
>
> I'm wondering about a particular case--let me explain. From your threat
> model you assume that the adversary has suspicions about encrypted traffic
> and may block them without strong justification. You also take as given
> that the adversary may be state-level. From the adversary objective this is
> because the adversary wants to know who and what this communication is
> about. In the limitations you state that the adversary
> (counter-intuitively) has strong socio-economic reasons to not block
> bittorent. It does not follow... In China it's not uncommon to hijack
> torrent sites or ban them entirely. They perform mitm even for encrypted
> sites like github. They have a one-strike policy that they don't normally
> enforce regarding file sharing. The golden shield is sophisticated enough
> to correlate the use of a bridge across multiple users. Which means you
> need strength in numbers. Then again, outside China, bittorrent is commonly
> subjected to traffic shaping. I'm unclear about how this helps the censored
> user. Under such circumstance wouldn't it be possible to have a common peer
> show up in multiple unique torrent swarms?
>
>
> --leeroy
>
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