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Addon/Extension allow list with group policy

Hello! I manage our browser configuration for our enterprise. We use group policy to restrict browser addons until they clear our internal security review. I'm looking … (read more)

Hello!

I manage our browser configuration for our enterprise. We use group policy to restrict browser addons until they clear our internal security review.

I'm looking for a way to allow specific addons using group policy, while generally blocking everything else.

I've found the setting to enforce the installation of addons, but we'd like to avoid forcing every addon to install on every system as there would be overlap between things like password managers and such.

Is there a way to accomplish this?

Asked by ggroathouse 5 days ago

Last reply by Mike Kaply 2 days ago

How to Get rid of "Firefox closed unexpectedly while starting" error window

Unattended software (kiosk) here. Sometimes (so rarely that I cannot reproduce in dev) the client sees this error screen: "Firefox closed unexpectedly while starting...… (read more)

Unattended software (kiosk) here.

Sometimes (so rarely that I cannot reproduce in dev) the client sees this error screen: "Firefox closed unexpectedly while starting..." (see image in attachment)

Sometimes when rebooting the error goes away and Firefox starts normally.

Sometimes even when rebooting the system - this vertical error screen appears, and one solution is to reinstall Firefox, but I'd like not to (if not necessary) or at least programmatically detect the issue and perform the needed actions.

QUESTIONS: How to programmatically detect (bash i.e.) that this error window is present and get rid of it properly? Or, how to (for debugging) force that screen to appear (to force that broken state)?

PS: I'm running Firefox using:

nohup firefox -P ff_custom_profile -new-instance -private-window -kiosk "$url" > /dev/null 2>&1 &

Thank you for any assistance or insight

Asked by Roko C.B. 3 weeks ago

Last reply by Mike Kaply 2 weeks ago

Extensions through GPO

Hi, I already have the admx and adml templates installed on my gpo. I would like to control or prevent the install of vpn extensions on the firefox browser. Specificall… (read more)

Hi,

I already have the admx and adml templates installed on my gpo. I would like to control or prevent the install of vpn extensions on the firefox browser.

Specifically I would like to prevent the install of all vpn extensions to the firefox browser for the users in my company. I would like them to download and install other extensions. How could I do this through modifying the json file in the extensions folder of the firefox template in my gpo.

Thanks in advance, Floyd,

Asked by fcastellino 3 weeks ago

Last reply by Mike Kaply 2 weeks ago

Could we have a plist for configuring DNS settings on our Firefox browser.

Hello, We would like to deploy a configuration profile to our macbooks running Sonoma 14.5 and above. This is being done via Jamf MDM. However when we use our current … (read more)

Hello,

We would like to deploy a configuration profile to our macbooks running Sonoma 14.5 and above. This is being done via Jamf MDM. However when we use our current plist to configure settings, They are not being applied correctly, The issue seems to be with the firefox plist itself and not our Jamf deployment. Would you be be able to advise or could we ask for a plist template that could achieve this?


Thanks.

Asked by sysadmins 2 weeks ago

Last reply by Mike Kaply 2 weeks ago

Looking to customize Firefox application via Intune Plist

Looking to specify homepage, homepage button, and new tab page within Firefox on our Mac fleet. I was able to create a plist file for macs, and it was "deployed successf… (read more)

Looking to specify homepage, homepage button, and new tab page within Firefox on our Mac fleet.

I was able to create a plist file for macs, and it was "deployed successfully" according to Intune, but no changes actually happened on my test machines.

I've uploaded a redacted version of the used plist.

Anyone out there have any ideas?

Asked by jmajors50 4 months ago

Last reply by Mike Kaply 3 months ago

GPO, Reg Key, Nothing works to force add/install an extension.

I am writing from an enterprise environment and I have been directed to the community page by Mozilla support to seek answers. This approach seems somewhat unreasonable f… (read more)

I am writing from an enterprise environment and I have been directed to the community page by Mozilla support to seek answers. This approach seems somewhat unreasonable for an enterprise setting and it has led me to consider discontinuing their product within our organization. I had requested support to send me a copy of my previous correspondence as I had forgotten some details, but this request was ignored, which is disappointing.

I am skeptical about receiving the help or answers I need here. If there is a more direct line to Mozilla support, I would greatly appreciate being redirected there.

We are currently using Firefox 121.0 and are attempting to implement the Applied Epic extension. I have updated the ADMX policy.

Originally, the reg key flip I created did work but something has changed since then. See screenshot of this. I followed the guide provided at https://github.com/mozilla/policy-templates/blob/v5.5/docs/index.md, which instructed me to place the registry key in Software\Policies\Mozilla\Firefox\Extensions\Install\1. However, the guide did not specify whether this should be in HKLM or HKCU. I tried this instead, and it did not work.

I also attempted to implement the extension via GPO, but this was unsuccessful. I tried the new Extension Management system as well, but to no avail.

Here is the JSON configuration I used: {

 "AppliedEpicExtension@gmail.com": {
   "installation_mode": "force_installed",
   "install_url": "https://addons.mozilla.org/firefox/downloads/file/4143256/applied_epic_extension-3.16.3.xpi"
 }

}

Despite following the guide and trying multiple methods, none of the options seem to work. I would appreciate any guidance on what I might be doing wrong.

Asked by BM 5 months ago

Last reply by Mike Kaply 5 months ago