Issue with Blocking Websites in Mozilla Firefox via Group Policy

We followed the links below to block internet access in Firefox browser: https://www.youtube.com/watch?v=fAGYYX5hYb8 https://github.com/mozilla/policy-templates/release… (read more)

We followed the links below to block internet access in Firefox browser:

https://www.youtube.com/watch?v=fAGYYX5hYb8 https://github.com/mozilla/policy-templates/releases

We downloaded the ADMX and ADML files. Using these files, we were able to locate Mozilla Firefox in Group Policy Management and successfully block all websites in the Firefox browser using the pattern :///*.

However, we encountered an issue with exceptions. We do not wish to block certain websites, including localhost. We attempted to use the "Exceptions to block websites" option, providing values such as ://msn.com/ to exclude specific sites. Unfortunately, this approach did not work as intended. For instance, msn.com is one of the websites we want to allow, among others and also localhost.

We require assistance with the following issue: "Exceptions to block websites" is not functioning properly within the group policy of Mozilla Firefox.

Asked by hitenj.trivedi 1 week ago

Last reply by zeroknight 1 week ago

Profiles on RDS Windows Server 2016 - Need to create a new one almost each time

Hi, We are using Firefox Enterprise on Windows Server 2016 Remote Desktop for approx 100 users. The users need very often to create a new profile when launching FireFo… (read more)

Hi,

We are using Firefox Enterprise on Windows Server 2016 Remote Desktop for approx 100 users.

The users need very often to create a new profile when launching FireFox, and then loose all their bookmarks.

Is there a way to manage the profiles correctly to bypass this problem ?

Thank you for your help ! Have a nice day.

Asked by esteban.beytrison 2 weeks ago

Last reply by Mike Kaply 1 week ago

Folder redirection conflicts synchronization firefox profile

Welcome, We are implementing redirected folders in our company via Widnows Server. We are also redirecting the Appdata folder. We have offline mode enabled which means th… (read more)

Welcome, We are implementing redirected folders in our company via Widnows Server. We are also redirecting the Appdata folder. We have offline mode enabled which means that the folders are synchronised every 5 minutes. The synchronised Appdata folder has a Firefox profile which causes a lot of conflicts. Every time the folder is synced there are conflicts like "Both versions have been updated since the last sync" or "Cannot sync now. Try again". I attach a screen shot of how much of this there is. No other applications cause such errors. Only Firefox blocks us from a large deployment. If the problem cannot be resolved we will be forced to abandon the FireFox browser altogether. Has anyone had a similar problem?

Asked by sebastian.pawlowski 1 month ago

Last reply by Mike Kaply 2 weeks ago

Disable Firefox Password Manager Completely via plist

Attempting to disable FF Password manager completely for my org via a plist. Currently have the password manager itself disabled but can't figure out how to disable the … (read more)

Attempting to disable FF Password manager completely for my org via a plist.

Currently have the password manager itself disabled but can't figure out how to disable the Auto-fill settings with previously saved passwords prior to the password manager being disabled?

Is this possible? Or is this disabled already when the password manager itself is disabled?

Currently have this set via a plist:

<key>PasswordManagerEnabled</key> <false/>

Asked by Matthew L 3 weeks ago

Last reply by Mike Kaply 3 weeks ago

Assistance Needed with Firefox Browser and Group Policy Settings

Hi there, We are currently utilizing Windows Server 2019 as our development server. To maintain security protocols, we have implemented a Group Policy to block internet … (read more)

Hi there,

We are currently utilizing Windows Server 2019 as our development server. To maintain security protocols, we have implemented a Group Policy to block internet access on this server. Initially, this configuration successfully restricted internet access on all browsers, including Firefox. However, recently we encountered an issue where internet access became available solely through the Firefox browser, posing a significant data security risk.

Upon investigation, we discovered that Firefox allows users to modify proxy settings, effectively bypassing our Group Policy restrictions. Unlike other browsers, Firefox permits users to adjust proxy settings without sufficient rights, thus overriding our established restrictions.

To mitigate this issue, we require guidance on enforcing Group Policy settings within Firefox to prevent unauthorized alterations to proxy settings and ensure internet access remains restricted. It's important to note that Firefox is exclusively utilized for development purposes on our server.

Your assistance in resolving this matter would be greatly appreciated.

Regards, Hiten

Asked by hitenj.trivedi 3 weeks ago

Last reply by Mike Kaply 3 weeks ago

Trigger Update through command line or script

Is there a way to trigger a Firefox browser update through command line or script? I need to trigger an update across a few hundered computers and I can do this, but thr… (read more)

Is there a way to trigger a Firefox browser update through command line or script? I need to trigger an update across a few hundered computers and I can do this, but through command line or script automation. What is the command line syntax to do this, if there is any?

Thank you for your help

Asked by pcdl 3 weeks ago

Last reply by cor-el 3 weeks ago

CyberArk Extension ID

I'm looking to allow the CyberArk extension for FireFox, via our GPO. I am not seeing the application ID for the extension, which is needed. I'm hoping that you folks ca… (read more)

I'm looking to allow the CyberArk extension for FireFox, via our GPO. I am not seeing the application ID for the extension, which is needed.

I'm hoping that you folks can provide that ID.

Thanks!

Asked by dlacivita 1 month ago

Last reply by cor-el 1 month ago

I am working for an Organization.

HI Team, I am working for an organization, members have different versions installed and need help to uninstall the Firefox completely, Member able to see the applicatio… (read more)

HI Team,

I am working for an organization, members have different versions installed and need help to uninstall the Firefox completely, Member able to see the application installed in Apps and features and but files do not exist in program files or program files x86, please someone please contact me for my queries [removed phone# from support forum]. my email id [edited] @gmail.com

The script is not removing the application

IF EXIST "%ProgramFiles%\Mozilla Firefox\" ( "%ProgramFiles%\Mozilla Firefox\uninstall\helper.exe" /s )

IF EXIST "%Program Files (x86)%\Mozilla Firefox\" ( "%Program Files (x86)%\Mozilla Firefox\uninstall\helper.exe" /s )

Asked by siji monish karial 1 month ago

Last reply by Mike Kaply 1 month ago

Disable Save menu entry from Firefox built-in PDF Viewer on local Linux system

I would like to prevent users to navigate on the Linux system when they view a PDF and then use the Save option. The "PDFjs" policy enables or disables the PDF Viewer but… (read more)

I would like to prevent users to navigate on the Linux system when they view a PDF and then use the Save option. The "PDFjs" policy enables or disables the PDF Viewer but does not control the built-in PDF Viewer menus.

Asked by InfoMaze 4 months ago

Last reply by zeroknight 1 month ago

FireFox Extension Error

I have imported the ADMX and tried to add an extension but it does not appear. So I imported the admx and this is working because I have another custom oma-uri that sets … (read more)

I have imported the ADMX and tried to add an extension but it does not appear. So I imported the admx and this is working because I have another custom oma-uri that sets the home pages.

Here is what I have for my custom oma-uri to try and get the 1password extension added to FireFox. It is coming back with an error, Any recommendations? Name: Extensions_Install OMA-URI: ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Install Data Type: String Value: <enabled/> <data id=”Extensions” value=”1\https://addons.mozilla.org/en-US/firefox/addon/1password-x-password-manager”/>

Asked by dj56 1 month ago

Last reply by Mike Kaply 1 month 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 1 month ago

Last reply by Mike Kaply 1 month ago

Saving passwords for specific websites GPO

Dear Forum, Maybe this has been already asked but i keep getting the quite opposite when searching. is there a way that i can save passwords, for autofill purposes, for… (read more)

Dear Forum,

Maybe this has been already asked but i keep getting the quite opposite when searching.

is there a way that i can save passwords, for autofill purposes, for specific websites in Firefox using GPO?.

I have 4 computers, that are currently deployed with Firefox and all 4 should be able to login to a specific website with a given username and password. I would like to set the username and password for them stored in the Firefox password manager and let it autofill it for them when going to the given website.

Or should i do this using the created shortcut they received, deployed to their systems using GPO?

Thank you in advanced.

Asked by cbraafhart 1 month ago

Last reply by Mike Kaply 1 month ago

Best Way to force firefox update without opening the application

We are currently looking at devices with out-of-date Firefox versions these are listed with vulnerabilities within our environment and need to be patched to the latest ve… (read more)

We are currently looking at devices with out-of-date Firefox versions these are listed with vulnerabilities within our environment and need to be patched to the latest version to cover those vulnerabilities.

With the volume of patching required, we want to be able to enable auto-update and allow the application to patch itself.

However, the current options via group policy don't seem to work as I've read on such threads https://bugzilla.mozilla.org/show_bug.cgi?id=1876302.

The application Autoupdate has been enabled within local group policy as a test and nothing seems to force the application to update unless a user enters the application and selects about.

Reading into how Firefox does this it doesn't seem viable to enable an auto-update feature without specifying the version it needs to upgrade to, we can currently patch to specific versions using SCCM.

Is anyone aware of a solution to this problem or another method?

Looked into calling updater.exe and the maintenance service but nothing i successful when trying to call on these.

Asked by oliver.gillman 2 months ago

Last reply by zeroknight 2 months ago

Proxy not working

Hello, from Terminal Servers, it is not possible to browse the Internet via FortiGate's explicit proxy from the Firefox browser, while there is no problem with Chrome or … (read more)

Hello, from Terminal Servers, it is not possible to browse the Internet via FortiGate's explicit proxy from the Firefox browser, while there is no problem with Chrome or Edge. When the user tries to browse external sites, the proxy sends the error page "You need to authenticate to use this service". It seems that Firefox does not pass user authentication to FortiGate. The proxy authenticates users per session via Kerberos tickets.

Firefox version: 115.5.0esr

I also performed the following settings to pass the Kerberos ticket to the proxy without success: https://people.redhat.com/mikeb/negotiate/

I also noticed that it is not possible to change the "network.negotiate-auth.allow-proxies" setting from "false" to "true." Is this my problem? Is it normal that it cannot be changed?

Attached are the settings.

Thank you in advance.

Asked by akas89 4 months ago

Last reply by Mike Kaply 2 months ago

How to disable welcome back notification?

Seems to be new in 122.0 because i never received that before. It asks if you want to open links with Firefox and if you do, it sets file associations for htm / html and … (read more)

Seems to be new in 122.0 because i never received that before. It asks if you want to open links with Firefox and if you do, it sets file associations for htm / html and things like that. However in a company environment i want to supress that notification

Asked by Tynth 2 months ago

Last reply by Mike Kaply 2 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 3 months ago

Last reply by Mike Kaply 2 months ago

Fail to update firefox

We're exploring the possibility of implementing a mass update for Firefox through backend management, leveraging PowerShell scripts or any applicable method that can stre… (read more)

We're exploring the possibility of implementing a mass update for Firefox through backend management, leveraging PowerShell scripts or any applicable method that can streamline the update process for our users.

Additionally, we've encountered instances where users have installed Firefox via local profiles, posing challenges for centralized updates. I'd appreciate any insights or guidance on how we can address this issue effectively to ensure these installations align with our centralized management approach.

Asked by slimmonkey 4 months ago

Last reply by Mike Kaply 4 months ago

Bypass UAC prompts through GPO settings

We are currently attempting to automate our Firefox update processes. Currently we use robocopy to push out new versions on release, but ideally we'd like to use the back… (read more)

We are currently attempting to automate our Firefox update processes. Currently we use robocopy to push out new versions on release, but ideally we'd like to use the background updater instead. We are currently on 64-bit 119.0.1, on Windows 10 Pro 22H2. We'd prefer not to switch over to ESR if at all possible. I've already reactivated the AppAutoUpdate and BackgroundAppUpdate policies, and DisableAppUpdate is disabled, but I'm still being hit with a UAC Admin prompt when I try to launch Firefox. I tried to bypass it through the registry at [HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers], with "C:\Program Files\Mozilla Firefox\firefox.exe" = "RUNASINVOKER", but that also doesn't seem to have done anything. Any and all assistance would be appreciated

Asked by ddrake1 4 months ago

Last reply by Mike Kaply 4 months ago

Automatic updates

We have recently enabled background updates in our organization, however I noticed that a requirement for this to work is that Firefox needs to be run with the default pr… (read more)

We have recently enabled background updates in our organization, however I noticed that a requirement for this to work is that Firefox needs to be run with the default profile at least once after the feature is enabled. The issue we have is that not all users are actively using Firefox and therefore they are not being updated. I realize the security flaws won't be exposed if it's not in use, but management doesn't like seeing out of date browsers. Is there a way to force auto updates on all device where Firefox isn't not being used. Background updating is working for the majority of those that do use Firefox.

Also, we do have a couple of users reporting a credential prompt when updating from 119 to 119.0.1. These same users had no issues updating from 118 to 119. I have not figured out why this is happening just yet and why only for a handful of users so far. Would anyone have an idea why that is happening?

Asked by rob.scott1 5 months ago

Last reply by Mike Kaply 5 months ago