[tor-bugs] #7555 [Tor]: MapAddress from FQDN to .onion fails because resolve requests for hidden services are not allowed.

Tor Bug Tracker & Wiki blackhole at torproject.org
Sat Nov 24 14:02:33 UTC 2012


#7555: MapAddress from FQDN to .onion fails because  resolve requests for hidden
services are not allowed.
------------------------+---------------------------------------------------
 Reporter:  aagbsn      |          Owner:                    
     Type:  defect      |         Status:  new               
 Priority:  normal      |      Milestone:  Tor: 0.2.4.x-final
Component:  Tor         |        Version:  Tor: unspecified  
 Keywords:  tor-client  |         Parent:                    
   Points:              |   Actualpoints:                    
------------------------+---------------------------------------------------

Comment(by aagbsn):

 So, with this patch applied, why does torsocks complain when
 AutomapHostsOnResolve is set, for any host?
 {{{
 $ torsocks nc google.com 80
 05:53:37 libtorsocks(13692): connect: Connection is to a local address
 (127.192.0.1), may be a TCP DNS request to a local DNS server so have to
 reject to be safe. Please report a bug to
 http://code.google.com/p/torsocks/issues/entry if this is preventing a
 program from working properly with torsocks.
 }}}

 If AutomapHostsOnResolve is not set, attempts to connect to the MapAddress
 mapped host fail as before:
 {{{
 torsocks openssl s_client -connect irc.oftc.net:6697
 gethostbyname failure
 connect:errno=2
 }}}
 {{{
 Nov 24 05:58:49.000 [warn] Resolve requests to hidden services not
 allowed. Failing.
 }}}

 Connections to other hosts (without a MapAddress line) succeed:
 {{{
 $ torsocks nc google.com 80
 get /
 HTTP/1.0 400 Bad Request
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7555#comment:9>
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