[tor-bugs] #17849 [Tor]: Warn if single-stack IPv4/IPv6 clients have very restricted guard choices

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#17849: Warn if single-stack IPv4/IPv6 clients have very restricted guard choices
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 Reporter:  teor         |          Owner:
     Type:  enhancement  |         Status:  new
 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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Old description:

> {{{
> Yawning: The futueproof thing would be to warn if the selected protocol
> limits the number of guards to < N% probably?
> Using what a dual stack host can reach as the baseline.
> }}}

New description:

 Yawning: The futueproof thing would be to warn if the selected protocol
 limits the number of guards to < N% probably?
 Using what a dual stack host can reach as the baseline.

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Comment (by teor):

 It's worth noting that the code to allow IPv6 guards was introduced in a
 previous tor version.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17849#comment:1>
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