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Re: [tor-bugs] #20348 [Metrics/Censorship analysis]: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06

#20348: Kazakhstan blocking of vanilla Tor and obfs4, 2016-06
-----------------------------------------+--------------------------
 Reporter:  dcf                          |          Owner:
     Type:  project                      |         Status:  reopened
 Priority:  Medium                       |      Milestone:
Component:  Metrics/Censorship analysis  |        Version:
 Severity:  Normal                       |     Resolution:
 Keywords:  censorship block kz          |  Actual Points:
Parent ID:                               |         Points:
 Reviewer:                               |        Sponsor:
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Comment (by cypherpunks):

 > It sounds like kzblocked has actually gotten it to happen, maybe on a
 slow link.

 This is something about conn.Conn.Write(frameBuf.Bytes()), if frameBuf is
 too long (say 4-7 frames) then everything broken. Can't reproduce short
 write exactly, as log and tcpdump show everything goes to wire, but server
 dislikes result anyway. If to conn.Conn.Write every frame separately then
 server dislike data anyway, but if to delay every conn.Conn.Write then
 everything works ok. I'm lost

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20348#comment:35>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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