[tor-bugs] #28706 [Core Tor/Tor]: Maybe implement resolving destination domain using Tor's RESOLVE and ADDRMAP events

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#28706: Maybe implement resolving destination domain using Tor's RESOLVE and
ADDRMAP events
------------------------------+-------------------------------
     Reporter:  juga          |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  sbws: unspecified
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+-------------------------------
 In #28458 the domain of the destination was being resolved locally to
 check whether and exit policy allows to exit to the IP, which had 2
 problems:
 - in the case that the destination is a CDN, the IP resolved locally would
 be different to the IP resolved by the exit.
 - it was returning the first IP found, without checking whether the
 scanner supported IPv6.
 The correct way would be to resolve the domain via Tor itself using
 RESOLVE and ADDRMAP events with that exit.
 While there are not too many circuits that fails (because the policy
 doesn't allow to exit to the destination IP), this is not a priority

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28706>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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