[tor-dev] obfs4, meek, active probing and the timeline of pluggable transports
contact at carolin-zoebelein.de
Sat Oct 27 22:07:05 UTC 2018
I can't give you an answer to your history questions, since I wasn't
involved in the history of PTs but I have the feeling you have this
fundamental question "Why we should work on an other PT, as long as the
stuff which we already have works fine?" (?)
Simple answer: You should always have an active role (beeing faster
like the other party in development) and not a passive role (waiting
until your stuff doesn't work anymore before you work on something new)
in the fight against censorship.
Am Samstag, den 27.10.2018, 17:20 +0530 schrieb Piyush Kumar Sharma:
> Hello all,
> I have a few specific questions related to the pluggable transports.
> 1.) I believe that obfs4 stops active probing(the latest problem as
> brought to notice by Ensafi et al, IMC 2015 and Shinying Cho, FOCI
> 2018), and hence discovering obfs4 Tor bridges using active probing
> is not possible. Is that true? If so, then we are good to go and
> hence we don't need any other pluggable transport to work for us as
> long as obfs4 is working?
> 2.) What was the motivation to bring in meek as a pluggable
> transport, given the fact that obfs4 works great to cover all the
> existing problems with Tor detection. Was the motivation just the
> fact that, it will be much easier for the users to use meek than
> obfs4 or something other than this?
> 3.) I searched a lot but could not find the timeline in which
> pluggable transports were built. As in what was developed and
> deployed first, obfs4 or meek?
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