Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+---
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  closed
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:  duplicate
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+---
Changes (by phw):

 * status:  needs_information => closed
 * resolution:   => duplicate


Comment:

 For what it's worth, the discussion is continuing
 [https://github.com/guardianproject/orbot/issues/258 on GitHub]. I'm
 closing this ticket because there's no need to have two tickets for one
 issue.

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Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+---
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  needs_information
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+---

Comment (by phw):

 Replying to [comment:5 n8fr8]:
 > Why is it so hard to keep good obfs4 bridges online? It is frustrating
 that we have to keep changing these.
 [[br]]
 The last few disappeared because 1) one operator's server contract
 expired, 2) another operator wanted to reduce his maintenance burden, and
 3) several default bridges disappeared without anyone noticing, so we
 removed them.
 [[br]]
 > I am not even talking about "unblocked in China", I just mean reliably
 running. What is the expected life time of an obfs4 bridge?
 [[br]]
 The longer, the better. We are in touch with a bunch of research groups
 who are interested in setting up a default bridge (e.g., #31164).
 Hopefully, this will result in several new and long-lived bridges.

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Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+---
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  needs_information
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+---

Comment (by n8fr8):

 Why is it so hard to keep good obfs4 bridges online? It is frustrating
 that we have to keep changing these.

 I am not even talking about "unblocked in China", I just mean reliably
 running. What is the expected life time of an obfs4 bridge?

 We don't run our own bridges, but it may be time for us to do that.

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Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+---
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  needs_information
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+---
Changes (by phw):

 * status:  needs_review => needs_information


Comment:

 Setting this to "needs_information" to see what orbot's strategy here is.
 I will remove the fix I pushed earlier because it's already outdated
 again. For what it's worth, our list of default bridges is available here:
 https://trac.torproject.org/projects/tor/wiki/doc/TorBrowser/DefaultBridges

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Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+--
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  needs_review
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+--

Comment (by arma):

 Replying to [ticket:30870 phw]:
 > but in the short run we should make sure that these bridges are kept in
 sync with our default bridges

 Btw, the original idea here was that Orbot intentionally shipped with a
 different list of default bridges than Tor Browser, because then whichever
 one attracted more censor attention wouldn't automatically undermine the
 other.

 Though if Orbot isn't maintaining its chosen bridges, that original idea
 isn't so smart anymore. :)

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Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+--
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  needs_review
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+--

Comment (by phw):

 FWIW, I updated and force-pushed my patch because Linus' obfs4 bridges
 have been removed in the meanwhile.

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Re: [tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+--
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  needs_review
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  | Resolution:
 Keywords:  tbb-bridges |  Actual Points:
Parent ID:  | Points:
 Reviewer:  |Sponsor:
+--
Changes (by phw):

 * status:  new => needs_review


Comment:

 I have a fix in my GitHub branch
 [https://github.com/NullHypothesis/orbot/commits/fix/30870 fix/30870 ].

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[tor-bugs] #30870 [Applications/Orbot]: Default obfs4 bridges are all offline

[Tor Bug Tracker & Wiki]

#30870: Default obfs4 bridges are all offline
+-
 Reporter:  phw |  Owner:  n8fr8
 Type:  defect  | Status:  new
 Priority:  Medium  |  Milestone:
Component:  Applications/Orbot  |Version:
 Severity:  Normal  |   Keywords:  tbb-bridges
Actual Points:  |  Parent ID:
   Points:  |   Reviewer:
  Sponsor:  |
+-
 All obfs4 bridges in the following two files are offline as of June 12
 2019:
 * `orbotservice/src/main/res/raw-fa/bridges.txt`
 * `orbotservice/src/main/res/raw/bridges.txt`

 I hear that in the long run, Orbot will use tor-android-service, which
 includes our up-to-date default bridges, but in the short run we should
 make sure that these bridges are kept in sync with our
 [https://trac.torproject.org/projects/tor/wiki/doc/TorBrowser/DefaultBridges
 default bridges].

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