[tor-bugs] #19769 [Core Tor/Tor]: Round down DNS TTL to the nearest DEFAULT_DNS_TTL (30 minutes)

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#19769: Round down DNS TTL to the nearest DEFAULT_DNS_TTL (30 minutes)
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Very High                            |      Milestone:  Tor:
                                                 |  0.3.0.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  029-proposed, dns,                   |  Actual Points:  .2
  TorCoreTeam201609, 029-backport                |
Parent ID:                                       |         Points:  0.5
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by nickm):

 * keywords:  029-proposed, dns, TorCoreTeam201609 => 029-proposed, dns,
     TorCoreTeam201609, 029-backport


Comment:

 This is potentially backportable to 0.2.9.

 Potential enhancement: these values could be consensus parameters rather
 than hardcoded #defines.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19769#comment:18>
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