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Website blocked on iOS with NextDNS active, but no blocked sites in log

Today I noticed on the iPhone 6 (iOS 12, using NextDNS via "VPN") of my sister that a government site does not load with NextDNS enabled, but there's not a single site blocked in the logs of her settings. On my iPhone X (iOS 14, using native DOH) it works just fine.

Any tips on how to investigate this?

6 replies

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    • losnad
    • 3 yrs ago
    • Reported - view

    Did you tried a different browser? Might be from add-ons or some settings.

      • iOS Developer
      • Rob
      • 3 yrs ago
      • Reported - view

      losnad No, the login makes use of URL schemes (I think), so it’s always Mobile Safari.

    • Calvin_Hobbes
    • 3 yrs ago
    • Reported - view

    You said “in the logs of her settings”.  Are you using the same configuration ID?   If not  consider trying the configuration ID on her device that you’re using (or vice versa) in order to determine if the difference is due to the device settings vs the configuration on the server.

      • iOS Developer
      • Rob
      • 3 yrs ago
      • Reported - view

      Calvin Hobbes Good suggestion! I can already try her settings on my iPhone and the other way around when I see her again.

      • iOS Developer
      • Rob
      • 3 yrs ago
      • Reported - view

      We did meet yesterday:

      • With her settings on my iPhone it worked fine
      • With my settings on her iPhone it worked fine
      • When I switched back to her settings on her iPhone it suddenly also worked fine...
      • Calvin_Hobbes
      • 3 yrs ago
      • Reported - view

      Rob I’m afraid you’ve discovered one of these https://en.m.wikipedia.org/wiki/Heisenbug

Content aside

  • 3 yrs agoLast active
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