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Bug 21394 touchup: Increase DNS attempts to 3

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Also don't give up on a resolver as quickly if multiple are configured.
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Dhalgren
2018-04-01 05:01:51 +00:00
committed by Nick Mathewson
parent 4bb7d9fd12
commit 06484eb5e1
2 changed files with 18 additions and 8 deletions
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changes/bug21394.2
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o Minor bugfix (Exit node DNS retries):
- Re-attempt timed-out DNS queries 3 times before failure, since our
timeout is 5 seconds for them, but clients wait 10-15. Also allow
slightly more timeouts per resolver before giving up on it in the
case where an exit has multiple resolvers configured. Fixes bug 21394;
bugfix on 0.3.1.9.