[tor-bugs] #16824 [Core Tor/Tor]: Emit a warning message about side channel leaks when using relays as clients

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed May 16 19:27:34 UTC 2018


#16824: Emit a warning message about side channel leaks when using relays as
clients
-------------------------------------------------+-------------------------
 Reporter:  starlight                            |          Owner:  (none)
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.3.5.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.6.10
 Severity:  Normal                               |     Resolution:
 Keywords:  mike-can, tor-client tor-relay       |  Actual Points:
  sidechannel logging easy                       |
Parent ID:                                       |         Points:  1
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by n-critser):

 Warning has be updated to :
     log_warn(LD_CONFIG, "You appear to be attempting to use Tor for both "
              "relay and client functionality at the same time. "
              "Unfortunately, a side channel issue (Bug #16585) means that
 "
              "this fact will be visible in network traffic patterns. "
              "If you do not actually want to run Tor as a client, "
              "you can add SocksPort 0 to your configuration, to turn off "
              "the default client behavior.");

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16824#comment:40>
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