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[tor-bugs] #11055 [Firefox Patch Issues]: Investigate potential DNS leak on Windows when using SSPI



#11055: Investigate potential DNS leak on Windows when using SSPI
----------------------------------+---------------------------
 Reporter:  gk                    |          Owner:  mikeperry
     Type:  task                  |         Status:  new
 Priority:  major                 |      Milestone:
Component:  Firefox Patch Issues  |        Version:
 Keywords:                        |  Actual Points:
Parent ID:                        |         Points:
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 Firefox supports the "negotiate" auth method which, it seems, may lead to
 a DNS request bypassing the proxy settings in: https://mxr.mozilla.org
 /mozilla-esr24/source/extensions/auth/nsAuthSSPI.cpp#122. This is somewhat
 mitigated as it does not affect the majority of Windows users due to
 {{{
 network.negotiate-auth.trusted-uris
 }}}
 being empty and
 {{{
 network.negotiate-auth.allow-non-fqdn
 }}}
 being set to "false" by default. Might be worth investigating further and
 fixing if this preliminary analysis is sound.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11055>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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