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Re: [tor-bugs] #6045 [Censorship analysis]: Ethiopia blocks Tor based on ServerHello
#6045: Ethiopia blocks Tor based on ServerHello
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Reporter: asn | Owner:
Type: task | Status: assigned
Priority: normal | Milestone:
Component: Censorship analysis | Version:
Keywords: dpi | Parent:
Points: | Actualpoints:
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Comment(by phw):
Replying to [comment:20 arma]:
> Replying to [comment:19 phw]:
>
> > It looks like the DPI boxes now also look for the TLS client hello.
The server hello continues to be filtered as well. The three bridges
published in the [https://blog.torproject.org/blog/update-censorship-
ethiopia blog post] are not blacklisted. They just don't get the user's
client hello.
> >
>
> True for Tor 0.2.3.17-beta and later as well (on the client-side)?
The TLS client hello as sent by version 0.2.3.17-beta passes the filters,
suggesting that the cipher list (of Tor versions < 0.2.3.17-beta) is part
of the fingerprint.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6045#comment:22>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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