[tor-bugs] #17840 [Tor]: Add a minimal implementation of ClientUseIPv4 so IPv6-only clients can bootstrap
Tor Bug Tracker & Wiki
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Fri Dec 18 07:16:13 UTC 2015
#17840: Add a minimal implementation of ClientUseIPv4 so IPv6-only clients can
bootstrap
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Reporter: teor | Owner: teor
Type: defect | Status: needs_revision
Priority: Medium | Milestone: Tor: 0.2.8.x-final
Component: Tor | Version:
Severity: Normal | Resolution:
Keywords: ipv6 | Actual Points:
Parent ID: #17811 | Points:
Sponsor: |
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Changes (by teor):
* status: needs_review => needs_revision
Comment:
Testing on IPv6-only configs shows that we're still picking directory
guards which only have IPv4 addresses. (Oops!)
This issue only manifests itself the *second* time we download the
consensus. (The first time, we download from the authorities, and that
works, because we select authorities with IPv6 addresses. The second time,
we use directory guards, and some of the ones we select are IPv4-only.)
This should be easy to fix, I bet there's a fascist_firewall_* check
missing in the directory guard selection code. (It's the weekend here now,
and christmas next week, so it might take a little while.)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17840#comment:3>
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