[tor-bugs] #21493 [Core Tor/Tor]: When reachable addresses change, mark connections using those addresses

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#21493: When reachable addresses change, mark connections using those addresses
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 Reporter:  teor          |          Owner:
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: unspecified
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  ipv6          |  Actual Points:
Parent ID:                |         Points:  1
 Reviewer:                |        Sponsor:
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Comment (by cypherpunks):

 Replying to [ticket:21493 teor]:
 Are you sure about both? Personally,
 > When a client's reachable addresses change, we should:
 > * mark connections that are on non-preferred connections as "not for new
 streams".
 this seems fine to me
 > * close connections that are on newly unreachable addresses
 not so sure about this.

 There are situations when it's preferable to leave existing streams be,
 but fewer (I can't think of any) when it would be bothersome to leave them
 alone.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21493#comment:1>
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