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Re: [tor-bugs] #26542 [Obfuscation/BridgeDB]: Distribute IPv6 bridges though bridges.torproject.org



#26542: Distribute IPv6 bridges though bridges.torproject.org
----------------------------------+----------------------
 Reporter:  teor                  |          Owner:  isis
     Type:  defect                |         Status:  new
 Priority:  Medium                |      Milestone:
Component:  Obfuscation/BridgeDB  |        Version:
 Severity:  Normal                |     Resolution:
 Keywords:                        |  Actual Points:
Parent ID:  #24264                |         Points:
 Reviewer:                        |        Sponsor:
----------------------------------+----------------------

Comment (by sysrqb):

 {{{
 INFO      L81:request.withIPversion()  HTTPS request for bridges with IPv6
 addresses.
 INFO     L146:request.withPluggableT() HTTPS request for transport type:
 'obfs4'
 DEBUG     L78:geo.getCountryCode()     Looked up country code: CH
 INFO     L125:request.withoutBlockIn() HTTPS client's bridges also
 shouldn't be blocked in their GeoIP country code: CH
 INFO     L244:bridgerequest.generate() Adding a filter to
 HTTPSBridgeRequest for ${exit_node_address} for IPv6 obfs4 bridges not
 blocked in ch...
 INFO     L300:distributor.getBridges() Attempting to get bridges for
 ${exit_node_address}...
 DEBUG    L159:distributor.getSubnet()  Client IP was within area:
 ${exit_node_ip_netblock}
 DEBUG     L44:filters.bySubring()      Creating a filter for assigning
 bridges to subhashring 1-of-3...
 DEBUG    L325:distributor.getBridges() Client request within time
 interval: 1545318000
 DEBUG    L326:distributor.getBridges() Assigned client to subhashring 1/3
 DEBUG    L327:distributor.getBridges() Assigned client to subhashring
 position: ${hash}
 DEBUG    L328:distributor.getBridges() Total bridges: 1000
 DEBUG    L329:distributor.getBridges() Bridge filters: bySubring1of3
 byTransportNotBlockedIn(obfs4,ch,6)
 DEBUG    L333:distributor.getBridges() Cache hit frozenset([<function
 bySubring1of3 at 0x7f50c6784c80>, <function
 byTransportNotBlockedIn(obfs4,ch,6) at 0x7f50bb0817d0>])
 DEBUG    L269:distribute.bridgesPerR() Returning 1 bridges from ring of
 len: 0
 DEBUG    L276:Bridges.filterDistinct() Got 0 possible bridges to filter
 }}}

 Where BridgeDB thinks the source address of the request was in CH.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26542#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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