[tor-bugs] #28458 [Core Tor/sbws]: Stop resolving domains locally and stop using non-exits as 2nd hop
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Thu Nov 15 15:46:55 UTC 2018
#28458: Stop resolving domains locally and stop using non-exits as 2nd hop
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Reporter: juga | Owner: juga
Type: defect | Status: needs_revision
Priority: Medium | Milestone:
Component: Core Tor/sbws | Version: sbws: 1.0.0
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by juga):
Replying to [ticket:28458 juga]:
> To check if an exit can exit to the destination, sbws is trying to
resolve the domain locally, which fails in many cases.
> Even if it does not fail, the IP obtained won't be the same IP to which
the exit will make the HTTP request in the case of a CDN.
> When the domain resolution is failing, sbws try to choose other relay
that does not have the exit flag. If it is not an exit, it will fail to
make an HTTP request.
> sbws will also be faster and give less errors not resolving domains
locally.
Edit: in a CDN
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28458#comment:6>
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