win: document and improve Firefox telemetry #259
This commit improves the existing Firefox privacy scripts and improves the categorization and documentation to be simpler and more clear. Changes: - Rename and reorganize scripts for disabling browser telemetry and default browser agent reporting to simplify the structure. - Improve documentation across scripts to provide clearer guidance on how the changes improve user privacy. - Fix revert scripts by removing unnecessary registry key configuration.
This commit is contained in:
undergroundwires
@@ -6657,54 +6657,95 @@ actions:
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deleteOnRevert: 'true'
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-
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category: Configure Firefox
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docs: |-
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This category provides scripts for enhancing Firefox privacy by limiting data shared with Mozilla.
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children:
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-
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category: Disable default browser agent reporting
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children:
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-
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name: Disable default browser agent reporting
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recommend: standard
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docs: https://www.bleepingcomputer.com/news/software/firefox-now-tells-mozilla-what-your-default-browser-is-every-day/
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code: reg add HKLM\SOFTWARE\Policies\Mozilla\Firefox /v DisableDefaultBrowserAgent /t REG_DWORD /d 1 /f
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revertCode: reg add HKLM\SOFTWARE\Policies\Mozilla\Firefox /v DisableDefaultBrowserAgent /t REG_DWORD /d 0 /f
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-
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name: Disable services that report the default browser agent
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recommend: standard
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docs: |-
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### Overview of default task statuses
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`\Mozilla\Firefox Default Browser Agent 308046B0AF4A39CB` (tested on version 118):
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| OS Version | Default status |
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| ---------------- | -------------- |
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| Windows 10 22H2 | 🟢 Ready |
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| Windows 11 22H2 | 🟢 Ready |
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`\Mozilla\Firefox Default Browser Agent D2CEEC440E2074BD` (tested on version 118):
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| OS Version | Default status |
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| ---------------- | -------------- |
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| Windows 10 22H2 | 🟡 N/A (missing) |
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| Windows 11 22H2 | 🟡 N/A (missing) |
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call:
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-
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function: DisableScheduledTask
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parameters:
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# Check: Get-ScheduledTask -TaskPath '\Mozilla\' -TaskName 'Firefox Default Browser Agent 308046B0AF4A39CB'
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taskPathPattern: \Mozilla\
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taskNamePattern: Firefox Default Browser Agent 308046B0AF4A39CB
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-
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function: DisableScheduledTask
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parameters:
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# Check: Get-ScheduledTask -TaskPath '\Mozilla\' -TaskName 'Firefox Default Browser Agent D2CEEC440E2074BD'
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taskPathPattern: \Mozilla\
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taskNamePattern: Firefox Default Browser Agent D2CEEC440E2074BD
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-
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name: Disable Firefox metrics reporting
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name: Disable Firefox default browser and system data reporting
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recommend: standard
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docs: https://github.com/privacysexy-forks/policy-templates#disabletelemetry
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code: reg add HKLM\SOFTWARE\Policies\Mozilla\Firefox /v DisableTelemetry /t REG_DWORD /d 1 /f
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revertCode: reg add HKLM\SOFTWARE\Policies\Mozilla\Firefox /v DisableTelemetry /t REG_DWORD /d 0 /f
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docs: |-
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This script disables the Firefox *Default Browser Agent*.
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The agent collects and sends information about the user's default browser to Mozilla [1]
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Disabling it halts the transmission of details such as the currently set default browser, the previous one,
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and the operating system's locale and version number [2] [3].
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This enhances privacy by preventing browser preferences and usage data from being shared with Mozilla.
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The script configures `HKLM\SOFTWARE\Policies\Mozilla\Firefox!DisableDefaultBrowserAgent` registry key to
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prevent the Default Browser Agent from taking any actions [4].
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[1]: https://web.archive.org/web/20231201223153/https://firefox-source-docs.mozilla.org/toolkit/mozapps/defaultagent/default-browser-agent/index.html "Default Browser Agent — Firefox Source Docs documentation | firefox-source-docs.mozilla.org"
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[2]: https://web.archive.org/web/20240313164703/https://blog.mozilla.org/data/2020/03/16/understanding-default-browser-trends/ "Understanding default browser trends – Data@Mozilla | blog.mozilla.org"
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[3]: https://web.archive.org/web/20240313164715/https://github.com/mozilla-services/mozilla-pipeline-schemas/pull/495/files#diff-48f14d6bdea5bf803f8b8cff5f018172 "Bug 1602463 - Add a schema for the new default-browser ping · Pull Request #495 · mozilla-services/mozilla-pipeline-schemas · GitHub | github.com/mozilla-services"
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[4]: https://web.archive.org/web/20240529061535/https://github.com/privacysexy-forks/policy-templates#disabledefaultbrowseragent "GitHub - privacysexy-forks/policy-templates: Policy Templates for Firefox | github.com/privacysexy-forks"
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call:
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function: SetRegistryValue
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parameters:
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keyPath: HKLM\SOFTWARE\Policies\Mozilla\Firefox
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valueName: DisableDefaultBrowserAgent
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dataType: REG_DWORD
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data: "1"
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deleteOnRevert: 'true' # Missing by default since Windows 10 Pro (≥ 22H2) and Windows 11 Pro (≥ 23H2), last tested on Firefox v126
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-
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name: Disable Firefox background browser checks
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recommend: standard
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docs: |-
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This script stops Firefox from automatically checking its default browser status and reporting to Mozilla every 24 hours [1] [2] by
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disabling specific scheduled tasks that initiate initiate Firefox's *Default Browser Agent*.
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It protects your privacy by preventing regular data sharing.
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### Overview of default task statuses
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`\Mozilla\Firefox Default Browser Agent 308046B0AF4A39CB` (tested on version 118):
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| OS Version | Default status |
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| ---------------- | -------------- |
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| Windows 10 22H2 | 🟢 Ready |
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| Windows 11 22H2 | 🟢 Ready |
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`\Mozilla\Firefox Default Browser Agent D2CEEC440E2074BD` (tested on version 118):
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| OS Version | Default status |
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| ---------------- | -------------- |
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| Windows 10 22H2 | 🟡 N/A (missing) |
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| Windows 11 22H2 | 🟡 N/A (missing) |
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[1]: https://web.archive.org/web/20231201223153/https://firefox-source-docs.mozilla.org/toolkit/mozapps/defaultagent/default-browser-agent/index.html "Default Browser Agent — Firefox Source Docs documentation | firefox-source-docs.mozilla.org"
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[2]: https://web.archive.org/web/20240313164703/https://blog.mozilla.org/data/2020/03/16/understanding-default-browser-trends/ "Understanding default browser trends – Data@Mozilla | blog.mozilla.org"
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call:
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-
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function: DisableScheduledTask
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parameters:
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# Check: Get-ScheduledTask -TaskPath '\Mozilla\' -TaskName 'Firefox Default Browser Agent 308046B0AF4A39CB'
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taskPathPattern: \Mozilla\
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taskNamePattern: Firefox Default Browser Agent 308046B0AF4A39CB
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-
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function: DisableScheduledTask
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parameters:
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# Check: Get-ScheduledTask -TaskPath '\Mozilla\' -TaskName 'Firefox Default Browser Agent D2CEEC440E2074BD'
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taskPathPattern: \Mozilla\
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taskNamePattern: Firefox Default Browser Agent D2CEEC440E2074BD
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-
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name: Disable Firefox telemetry data collection
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recommend: standard
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docs: |-
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This script disables Firefox's telemetry to prevent the collection and transmission of browser
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performance and usage data to Mozilla [1].
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Disabling telemetry prevents both the storage and transmission of this data [1], ensuring users'
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browsing habits remain private.
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The telemetry is disabled by configuring `HKLM\SOFTWARE\Policies\Mozilla\Firefox!DisableTelemetry` registry key [1].
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[1]: https://web.archive.org/web/20240529061535/https://github.com/privacysexy-forks/policy-templates#disabletelemetry "privacysexy-forks/policy-templates: Policy Templates for Firefox | github.com/privacysexy-forks"
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call:
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function: SetRegistryValue
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parameters:
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keyPath: HKLM\SOFTWARE\Policies\Mozilla\Firefox
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valueName: DisableTelemetry
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dataType: REG_DWORD
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data: "1"
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deleteOnRevert: 'true' # Missing by default since Windows 10 Pro (≥ 22H2) and Windows 11 Pro (≥ 23H2), last tested on Firefox v126
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-
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category: Disable Google background automatic updates
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docs: |-
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