[tor-bugs] #18013 [Tor]: ZScaler blocking Tor and bridges in every way possible. Bridges not working.

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Jan 7 05:29:05 UTC 2016


#18013: ZScaler blocking Tor and bridges in every way possible. Bridges not
working.
----------------------+------------------------------------
 Reporter:  alleyfox  |          Owner:  n8fr8
     Type:  defect    |         Status:  new
 Priority:  Medium    |      Milestone:  Tor: 0.2.8.x-final
Component:  Tor       |        Version:  Tor: unspecified
 Severity:  Normal    |     Resolution:
 Keywords:            |  Actual Points:
Parent ID:            |         Points:
  Sponsor:            |
----------------------+------------------------------------
Changes (by teor):

 * priority:  Very High => Medium
 * component:  Orbot => Tor
 * milestone:   => Tor: 0.2.8.x-final


Comment:

 This is caused by all SSL connections being intercepted by ZScaler.
 This is not orbot-specific, it would happen with any program that uses
 tor.

 Have you tried meek-google?

 Unfortunately, there might not be much we can do about this.
 Perhaps the upcoming obfsproxy 5 might resolve this issue.
 But if the firewall restricts unknown protocols, we might not be able to
 help.

 What versions of orbot and tor are you using?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18013#comment:3>
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