[tor-bugs] #22576 [Obfuscation/Obfsproxy]: obfs4 through proxy is not working anymore with Tor Browser 7.0 on Windows

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jun 13 17:43:50 UTC 2017


#22576: obfs4 through proxy is not working anymore with Tor Browser 7.0 on Windows
-----------------------------------+---------------------
 Reporter:  albesp77               |          Owner:
     Type:  defect                 |         Status:  new
 Priority:  Medium                 |      Milestone:
Component:  Obfuscation/Obfsproxy  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  tbb-7.0-issues         |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:
-----------------------------------+---------------------

Comment (by dcf):

 The multiple `Proxy Client: unable to connect` errors in comment:2 are
 probably the result of [http://www.squid-cache.org/Doc/config/http_access/
 this default Squid configuration] that only allows CONNECT to port 443:
 {{{
 acl SSL_ports port 443

 # Deny CONNECT to other than secure SSL ports
 http_access deny CONNECT !SSL_ports
 }}}
 (The two errors for bridges that actually are on port 443 appear to be
 because the bridges are down.)

 When I installed squid locally (`apt-get install squid`), I couldn't
 connect to any non-443 bridges until I commented out the `http_access
 deny` line in /etc/squid/squid.conf.

 I don't think this configuration is the source of the trouble on this
 ticket, just FYI.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22576#comment:13>
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