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Firefox GPO's extension settings not working

craig.mcphail

I am trying to use group policy to block all extensions from being installed and only allow approved extensions.

I have followed the article:

https://firefox-admin-docs.mozilla.org/reference/policies/extensionsettings/

And here is my JSON config but it doesnt seem to be working and I can still install any extension.

{

 "*": { 

"blocked_install_message": "Please email the IT Helpdesk if you think an extension should be unblocked.", "installation_mode": "blocked" }, "com.abr.startapp@adminbyrequest.com": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/admin-by-request/latest.xpi" } }

Please can anyone advise or confirm if this is a bug.

We are using firefox version 147.0.4 (64-bit)

Thanks

I am trying to use group policy to block all extensions from being installed and only allow approved extensions. I have followed the article: https://firefox-admin-docs.mozilla.org/reference/policies/extensionsettings/ And here is my JSON config but it doesnt seem to be working and I can still install any extension. { "*": { "blocked_install_message": "Please email the IT Helpdesk if you think an extension should be unblocked.", "installation_mode": "blocked" }, "com.abr.startapp@adminbyrequest.com": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/admin-by-request/latest.xpi" } } Please can anyone advise or confirm if this is a bug. We are using firefox version 147.0.4 (64-bit) Thanks

پاسخ‌ها (1)

Thank you for sharing the configuration. Based on what you’ve provided, the JSON structure itself looks correct for the ExtensionSettings policy. In most cases like this, the issue is that the policy is not actually being applied.

Are you using policies.json or some other mechanism?

Can you type about:policies in the URL bar and let me know what you see?