[tbb-bugs] #10165 [Applications/Tor Browser]: Torbrowser surf localhost through Tor

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Aug 21 17:38:12 UTC 2016

#10165: Torbrowser surf localhost through Tor
 Reporter:  toldmikl                  |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-torbutton             |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
Changes (by bugzilla):

 * severity:   => Normal
 * milestone:  TorBrowserBundle 2.3.x-stable =>


 Replying to [comment:2 cypherpunks]:
 > Support of localhost was destroyed by
 MiCthulhu] because code wasn't maintained.
 "Support" (a DNS hole) was destroyed when Firefox started to obey Remote
 DNS rule. Tor refuses to resolve "localhost". So, even if you add
 "localhost" to {{{network.proxy.no_proxies_on}}}, you get "Unable to find
 the proxy server" webpage.
 > Need to code some another support, or to fix ''Firefox''
 [https://bugzilla.mozilla.org/show_bug.cgi?id=280280 bug]
 > and then possible to put ''localhost'' back to
 If you put something there, you get:
 Torbutton INFO: aProxy is null
 TypeError: originalProxy is null domain-isolator.js:77:7
 Should Tor Browser allow it?

 > I typed in the address bar of the TOR browser ‚Äčhttps:// and
 it's working.
 Bug. Fixed. In TBB 6.5a2:
 [08-21 17:26:30] Torbutton INFO: tor SOCKS: via
 [08-21 17:26:30] Torbutton INFO: controlPort >> 650 STREAM 7623 NEW 0 SOURCE_ADDR= PURPOSE=USER
 [08-21 17:26:30] Torbutton INFO: controlPort >> 650 STREAM 7623 FAILED 0 REASON=PRIVATE_ADDR
 [08-21 17:26:30] Torbutton INFO: controlPort >> 650 STREAM 7623 CLOSED 0 REASON=PRIVATE_ADDR
 Tor WARN: Rejecting SOCKS request for anonymous connection to private
 address [scrubbed].
 But if you add "" to {{{network.proxy.no_proxies_on}}},
 firefox.exe starts to connect to your xampp.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10165#comment:6>
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