[tor-bugs] #25429 [Obfuscation/Snowflake]: Need something better than client's `checkForStaleness`

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#25429: Need something better than client's `checkForStaleness`
-----------------------------------+---------------------------
 Reporter:  arlolra                |          Owner:  cohosh
     Type:  defect                 |         Status:  assigned
 Priority:  Medium                 |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:                         |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:  Sponsor19
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Comment (by cohosh):

 The 30 second timeout is what causes the snowflake client to request
 another proxy if STUN connections to the proxy are being blocked as
 suspected in #30350. If we want to remove or lengthen this timeout we need
 a way of verifying that the connection to the proxy was successful in the
 first place (we probably want this anyway). 30 seconds is already a long
 time to wait.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25429#comment:7>
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