Firefox for Enterprise Support Forum

Mozilla's website states:

"Numerous features of the kiosk mode are configurable through policy or command line parameters when launching the browser."

However, other than a single example to run kiosk mode as a private window, it doesn't seem to provide any information on how to access such configuration. I couldn't seem to find the information anywhere else either.

How can I configure kiosk mode? Preferably via the CLI, but I'd be interested also to learn what is meant by "configurable through policy".

I'm setting up addon installation through `policy.json`. Below is an example. I am wondering howto configure addons thus installed using the same file. Is it possible? If yes: where to find addon-specific keys/options? As an example: when providing below `policy.json`, starting any fresh firefox profile/installation produces the dialog "Startpage.com - Private Search Engine would like to change your default search engine from Google to Startpage.com - English. Is that OK?", followed by yes/no buttons. I would like to be able to just make the addon do so forgoing the dialog.

Thanks for any pointers.

{

 "policies": {
   "ExtensionSettings": {
     "*": {
       "blocked_install_message": "Installation of extensions only allowed from 'policy.json'.",
       "installation_mode": "blocked"
     },
     "{20fc2e06-e3e4-4b2b-812b-ab431220cada}": {
       "installation_mode": "force_installed",
       "install_url": "https://addons.mozilla.org/firefox/downloads/latest/startpage-private-search/latest.xpi"
     }
   },
   "ExtensionUpdate": true
 }

}

When I type about:policies, I get "The Enterprise Policies service is inactive". I'm trying to validate my configuration against Firefox STIGs which require certain of these policies to be set. So what does this message actually mean? Does it mean no policies are set? Are they set somewhere else? I have Windows Server 2016. Thank you.

Hi there,

I'm playing with policies.json on Linux/Ubuntu now, trying to improve my knowledge of Firefox customization through different policies and user interaction after the Firefox deployment. I added a custom bookmark and extension, which show and install okay when I restart the browser. But when I delete them from within the browser and restart Firefox, they show up again. To avoid this, I can delete /etc/firefox/policies/policies.json after the Firefox deployment. Hence my questions:

• Is the deletion of the JSON file after the Firefox deployment a reasonable option at all?
• If yes, how can I automate the process silently, without user interaction?
• If no, what would be your advice to let users modify the browser settings like removing extension(s) or bookmark(s) set in policies.json so that they do not reappear after the browser restart?

Thank you! Rustam