I disabled any data collection using the GUI some days ago:

However Firefox still regularly tries to connect to this address incoming.telemetry.mozilla.org, which is apparently blocked by my network.

Now my question - why does FF try to connect, what is it and how do I stop it?

  • Enoril@jlai.lu
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    6 days ago

    Did you cut the access to the firefox telemetry server (via PiHole i assume) before setting the parameters?

    It could be Firefox trying to inform the telemetry server to not keep the data and/or logging the fact that you have disabled the telemetry.

    • gigachad@sh.itjust.worksOP
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      6 days ago

      It seems to have worked!

      Firefox made these 5 connections:

      telemetry-incoming.r53-2.services.mozilla.com
      push.services.mozilla.com
      firefox.settings.services.mozilla.com
      content-signature-2.cdn.mozilla.net
      firefox-settings-attachments.cdn.mozilla.net
      

      …and then it shut up.

    • gigachad@sh.itjust.worksOP
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      6 days ago

      I will try to let the connection through and report back if it tries to connect again. Thanks for the advice, it sounds like a good idea.

  • HelloRoot@lemy.lol
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    6 days ago

    I just checked my firewall logs and librewolf (at least with my current settings) does not attempt to connect to incoming.telemetry.mozilla.org

    • gigachad@sh.itjust.worksOP
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      6 days ago

      That’s expected as LibreWolf aims to disable any tracking and telemetry innately, but it does not really answer my question. Thanks for your input though!

      • HelloRoot@lemy.lol
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        6 days ago

        I was aiming at the “How do I stop it” question. - Either use librewolf, or compile a custom version of firefox applying whatever librewolf does to disable that.

        But are you not already stopping it with your firewall?

        • gigachad@sh.itjust.worksOP
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          6 days ago

          It is true I am stopping it. But I would like to understand the reasons why FF is making this connection despite disabled telemetry.