[tor-bugs] #5840 [Tor Client]: tor disregards MapAddress .exit mapping

Tor Bug Tracker & Wiki torproject-admin at torproject.org
Sun May 20 14:48:20 UTC 2012


#5840: tor disregards MapAddress .exit mapping
------------------------+---------------------------------------------------
 Reporter:  mr-4        |          Owner:                     
     Type:  defect      |         Status:  new                
 Priority:  major       |      Milestone:  Tor: 0.2.3.x-final 
Component:  Tor Client  |        Version:  Tor: 0.2.3.14-alpha
 Keywords:              |         Parent:                     
   Points:              |   Actualpoints:                     
------------------------+---------------------------------------------------

Comment(by mr-4):

 ::ashamed:: OK, I hold my hands up...

 In my initial bug submission (above) I used "imap.google.com" as an
 example as this is what I also used in my MapAddress statement in torrc
 (the intention was to force all connections to the google imap server to
 be made through a particular exit node).

 As it turns out, there is NO such thing as "imap.google.com"! The correct
 mapping should have been "imap.googlemail.com"!

 I discovered this by accident when I tried to specify
 "imap.google.com.<exit_node_hash>.exit" in my email program to force the
 use of that particular exit node and not use the MapAddress mapping in
 order to see whether that solves my problem (I use tor as my DNS
 resolution service as well). When I did that, I've got an error from tor
 that "imap.google.com" cannot be resolved. Doh!

 In all fairness, tor should have warned me that there is no such thing as
 "imap.google.com" when I specified that in my MapAddress statement and not
 silently ignore it (I admit that it was my fault for not specifying the
 right address in the first place, but still...).

 I have corrected my mistake and will monitor whether MapAddress is
 honoured by tor and will report here if I find that is not the case. Once
 again, apologies for this!

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5840#comment:6>
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