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Hi everyone. I have installed Firefox on all windows 10 workstations and I have also installed latest Firefox Group Policy ADMX on Server. I need to set some preferences … (läs mer)
Hi everyone. I have installed Firefox on all windows 10 workstations and I have also installed latest Firefox Group Policy ADMX on Server. I need to set some preferences on all Workstations. The preferences that I want to set are the ones that can be found in about:config.
But the problem is that only some of these preferences exist in Group Policy by default and it says "deprecated". I know that I can add additional about:config preferences in a Group Policy object called "Preferences". But no matter how I enter the format or how I change the JASON file, no preference policy is applied to Firefox in workstations. By the way when I change "Preferences" gpo in group Policy the next Policy called "Preferences (JASON on one file)" does also change. I have thoroughly searched the web and Mozilla support and have tested all suggestions but all to no avail. Can you please help me and Give me an example of how to do that? I would appreciate any answer in advance.
Hello, Toggle button yahoo setting - desktop notifications, not working I am facing this problem only in firefox windows 11. Sometimes it works but rarely and inconsist… (läs mer)
Hello,
Toggle button yahoo setting - desktop notifications, not working
I am facing this problem only in firefox windows 11. Sometimes it works but rarely and inconsistently. I have tried the suggested solutions..
At your disposal
Hi All, I have been on the struggle bus lately trying to get the application handlers set properly in our GPO. I am trying to get PDF, webp, avif to open in browser, and… (läs mer)
Hi All, I have been on the struggle bus lately trying to get the application handlers set properly in our GPO. I am trying to get PDF, webp, avif to open in browser, and jnlp to auto launch Java. Any help will be greatly appreciated!
{"application/pdf":{"action":3,"extensions":["pdf"]},"image/webp":{"action":3,"extensions":["webp"]},"image/avif":{"action":3,"extensions":["avif"]},"application/x-java-jnlp-file":{"action":4,"handlers":[{"name":"javaws.exe","path":"C:\\Program Files (x86)\\Java\\jre-1.8\\bin\\javaws.exe"}],"extensions":["jnlp"]}}
I need to be able to hide the Extensions button from the toolbar. Is there a way to do that outside of the user.js or prefs.js? Preferably I'd like to do this though the … (läs mer)
I need to be able to hide the Extensions button from the toolbar. Is there a way to do that outside of the user.js or prefs.js? Preferably I'd like to do this though the policies.json file though I could not find any options for this.
Good afternoon, We're currently trying to set up a Hardening Guide for Firefox ESR but are struggling with a few policies and setting wildcards. For example, we're tr… (läs mer)
Good afternoon,
We're currently trying to set up a Hardening Guide for Firefox ESR but are struggling with a few policies and setting wildcards.
For example, we're trying to set an origin in Cookies > Block Settings to something like "*", and we get the error "Ignoring parameter "*" - not a valid origin."
In Chrome / Edge you can set a wildcard like this: [*.]google.com for example - we receive the same error message for this.
Can you do such a thing for Firefox ESR without having to list every site you want to block?
ESR Version: 115.6.0esr (64-bit)
Kind Regards, Ethan Jerrum
Hello, I have a problem with setting up HTTPs only Mode in my Organization, I read a lot about that, but I dont see the "dom.security.https_only_mode" switch in GPO, we h… (läs mer)
Hello, I have a problem with setting up HTTPs only Mode in my Organization, I read a lot about that, but I dont see the "dom.security.https_only_mode" switch in GPO, we have the newest admx for Firefox. We need that to specific container, but still I dont know how to set it up, even via regedit, or preferences. Can someone describe me when can I set it up ? It could be using json file (which exactly file and how?), registry or just gpo. Regards, M.
Hello, I am trying to create a deny all & white list only gpo for Firefox extensions. I am using the gpo; Computer Configuration/Policies/Administrative Templates/M… (läs mer)
Hello, I am trying to create a deny all & white list only gpo for Firefox extensions.
I am using the gpo; Computer Configuration/Policies/Administrative Templates/Mozilla/Firefox/Extensions/Extension Management
I started out simple using a template which worked.
{ "*": { "blocked_install_message": "Your Company Blocked Message", "installation_mode": "blocked" }, "uBlock0@raymondhill.net": { "installation_mode": "allowed" } }
However, when I tried to add in more allowed extensions it now longer worked and was able to install any extension.
{ "*": { "blocked_install_message": "Your Company Blocked Message", "installation_mode": "blocked" }, "uBlock0@raymondhill.net": { "installation_mode": "allowed" }, "querymoid@kaply.com": { "installation_mode": "allowed" } }
Hello, I used to deploy add-ons via group policies - this worked like a charm: Firefox esr (91.11.0esr x64), ADMX-templates in Sysvol\PolicyDefinitions, Group Policies: … (läs mer)
Hello,
I used to deploy add-ons via group policies - this worked like a charm: Firefox esr (91.11.0esr x64), ADMX-templates in Sysvol\PolicyDefinitions, Group Policies: User configuration, administrative templates, mozilla, firefox, add-ons --> install add-ons --> https://addons.mozilla.org/firefox/downloads/file/1234567/goodaddon-1.0.01.xpi
A few months ago, we had to change our network-configuration. We were using a proxy before, but our proxy had direct access to the internet. Now our proxy forwards everything to another proxy. Since about that time, add-on-deployment via gpo doesn't work anymore. It could be something else, but i suspect the proxy-change.
I tried to deploy unc-paths, internal websites and different syntaxes; none of this works:
As you can see I tried using internal sites, so that no proxy would be needed. And I also added these sites to the allowed add-on-installation-sites (computer configuration, same group policy). The sites are all accessible; if I enter these addresses as url, firefox can access the xpi-file.
I know how to pack add-ons into the firefox-setup-file; that still works. But first of all, firefox is already installed on most of my clients. Second, after a fresh installation of firefox with this self-created package, all add-ons are installed, but not activated. And I would like to restrict activation/deactivation of add-ons via gpo.
Help would be very much appreciated.
Best regards.
Good morning, I'm reaching out to see if I can get some assistance with Firefox on of our network. I'm System Admin at Goodfellow AFB. I've tried searching this issues … (läs mer)
Good morning,
I'm reaching out to see if I can get some assistance with Firefox on of our network. I'm System Admin at Goodfellow AFB. I've tried searching this issues on the web and found similar issues but solutions that were recommend online have not worked for us. Yes I have uninstalled Firefox completely and installed it from scratch. I know it has something to do with autoconfig file but not sure what exactly I'm looking for. Thanks.
When looking at the ExtensionSettings page for Firefox or Chrome they both use an example that shows the registry key Software\Policies\Mozilla\Firefox\ExtensionSettings… (läs mer)
When looking at the ExtensionSettings page for Firefox or Chrome they both use an example that shows the registry key Software\Policies\Mozilla\Firefox\ExtensionSettings (REG_MULTI_SZ) being set to a long JSON string with every extension ID and the settings for that particular ID. For example...
{
"*": { "blocked_install_message": "Custom error message.", "install_sources": ["https://yourwebsite.com/*"], "installation_mode": "blocked", "allowed_types": ["extension"] }, "uBlock0@raymondhill.net": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi" }, "https-everywhere@eff.org": { "installation_mode": "allowed" }
}
The problem with this method is that if I am installing an extension, and I overwrite what already exists in Software\Policies\Mozilla\Firefox\ExtensionSettings then all of those other settings get removed. So even if I am a non-malicious actor and just make a mistake with my installer I can easily delete every other extension's settings. Instead what I have to do is during install I have to read the current value of Software\Policies\Mozilla\Firefox\ExtensionSettings and then insert my extension's settings into the JSON blob.
So the examples that Firefox and Chrome provides do of course work, however they do not make very much sense to me. Why would it be formatted this way since all of those are additional key/value pairs and that is exactly what the registry excels at storing. So why put all of those into a single key/value instead of breaking them into multiple?
Additionally breaking them a part into multiple key/value pairs does work! So if instead of the example above I were to split them into multiple key value pairs it works just fine!
Software\Policies\Mozilla\Firefox\ExtensionSettings
uBlock0@raymondhill.net "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
So knowing that this way with multiple key/value pairs works why am I bothering to ask this question at all instead of just doing it the way that makes sense to me? Well the issue is that by breaking it up into multiple key value pairs it actually overrides the other method and makes it so that all those registry settings are ignored. So it doesn't delete them but it still leaves me with nearly the exact same problem.
While I believe "my" way is superior because it uses the registry in a more common sense route, if that is not what the majority of extension developers do then it doesn't matter and I should be conforming to the other way.
As I am typing this question up I did realize just how hard/annoying it is to properly format and make it clear and digestible what the multi key/value format of the registry would look like instead of being a JSON string. So perhaps that is the reason why all the documentation puts it all as one JSON string?
Hello I have installed german Firefox Version 117.0 (Build-ID 20230824132758) on Windows 10. The following ExtensionSettings policy works as expected. The addons ublock … (läs mer)
Hello I have installed german Firefox Version 117.0 (Build-ID 20230824132758) on Windows 10.
The following ExtensionSettings policy works as expected. The addons ublock and TreeTabs are both installed automatically.
{
"*": { "blocked_install_message": "My Message", "install_sources": ["https://addons.mozilla.org/"], "installation_mode": "blocked", "allowed_types": ["locale", "extension"] }, "uBlock0@raymondhill.net": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi", "default_area": "navbar" }, "TreeTabs@jagiello.it": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/tree-tabs/latest.xpi" }
}
But I don't want TreeTabs to be installed automatically on all workstations. So I want to change installation_mode to allowed.
{
"*": { "blocked_install_message": "My Message", "install_sources": ["https://addons.mozilla.org/"], "installation_mode": "blocked", "allowed_types": ["locale", "extension"] }, "uBlock0@raymondhill.net": { "installation_mode": "force_installed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi", "default_area": "navbar" }, "TreeTabs@jagiello.it": { "installation_mode": "allowed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/tree-tabs/latest.xpi" }
}
But with this setting I'm unable to install it manually from https://addons.mozilla.org/de/firefox/addon/tree-tabs/ The message "An unexpected error occurred during installation." and a popup with the "blocked_install_message" "My Message" is displayed.
The same error occurs without the line (and the comma) "install_url": "https://addons.mozilla.org/firefox/downloads/latest/tree-tabs/latest.xpi"
I don't know why this does not work. Please help. Thank you.
One of our vendors websites does not load under Firefox ESR, with errors in the console pointing to CSP. Error is: Content Security Policy: The page's settings blocked th… (läs mer)
One of our vendors websites does not load under Firefox ESR, with errors in the console pointing to CSP. Error is: Content Security Policy: The page's settings blocked the loading of a resource at inline ("default-src")
However if I load the site under the normal Firefox release, it displays correctly. When looking at errors in console, it is showing 3 errors for CSP, however it does not stop the site from working correctly. Content-Security-Policy: The page's settings blocked the loading of a resources at https://..... ("connect-src") or ("img-src")
The site is https://app.approvalmax.com If you get the login screen then the site is working otherwise just getting a green background when it is not working.
I am unsure why ESR and RR versions are behaving differently in this case. Using the latest versions of each.
Hello, I am working to convert my Org to Firefox ESR, but in order to this I need to uninstall the per user install of Firefox. We have many users that have the Firefox.… (läs mer)
Hello,
I am working to convert my Org to Firefox ESR, but in order to this I need to uninstall the per user install of Firefox. We have many users that have the Firefox.exe located in their Local Appdata folder. So I need to test the uninstall of the Appdata install and then the install of ESR. But the problem is I haven't been able to get Firefox to automatically install into the appdata folder. How am I able to do this? The users who have it installed in the appdata folder are not admins on their computers. When I'm testing I've also been using a normal user account. Please let me know how I can install the exe into the appdata folder automatically without me specifically placing it there or which exe version I need to do this.
Thanks!
We use Microsoft MDT for computer deployment. We have been installing the Standard version of Firefox for a long time with no problem. Recently we started using AD GPO Te… (läs mer)
We use Microsoft MDT for computer deployment. We have been installing the Standard version of Firefox for a long time with no problem. Recently we started using AD GPO Templates to configure firefox. To be able to configure certain settings you need to be running the ESR version. I downloaded the more recent ESR version: 102.12.0esr.msi file.
When deploying machine MDT to install Mozilla firefox I keep getting this error: Application Mozilla Firefox ESR returned an unexpected return code: 1618
This is the only application having issues and this issue only came up since I change the installation file to the ESR version.
This is the install command being used in MDT: msiexec /i "Firefoxesr.msi" /qn /norestart
I am posting here and not with MDT support, as this only started happening when I changed the installation file to the ESR version. Has anybody else had a problem deploying ESR version through MDT? Any help on how to fix?
I am an admin of some servers, i modify the proxy settings of firefox in a GPO, and it works, but now ont thing is that users can modify the settings of "No proxy for" in… (läs mer)
I am an admin of some servers, i modify the proxy settings of firefox in a GPO, and it works, but now ont thing is that users can modify the settings of "No proxy for" in Connection Settings, then add the urls, then users can access to any web site which they want to, is there a method to disable this? thanks.
Version: Firefox ESR 102.9.0 (64-bit) - Windows 10 Enterprise 22H2 Customers have been complaining for about 6 months that they can no longer drag and drop email attach… (läs mer)
Version: Firefox ESR 102.9.0 (64-bit) - Windows 10 Enterprise 22H2
Customers have been complaining for about 6 months that they can no longer drag and drop email attachments from Outlook (Microsoft Office Professional Plus 2019 - Exchange) into a Help Desk formula. I tested dragging from Outlook desktop and from the web version.
Drag and Drop works when using Edge and Chrome.
This is not a major issue, since customers can use the other browsers, but since they would prefer to use Firefox, a fix would really be appreciated. :-)
We downloaded the GPO Templates for AD and looking to customize Firefox. We would like to disable Forms and Autofill: Autofill addresses Autofill credit cards Also wou… (läs mer)
We downloaded the GPO Templates for AD and looking to customize Firefox.
We would like to disable Forms and Autofill: Autofill addresses Autofill credit cards
Also would like to lock down so they can't reenable if possible.
We would like to do this all through GPOs if possible. I found these in the about:config: extensions.formautofill.addresses.enabled extensions.formautofill.creditCards.enabled
But again want to do through the GPO. Is this possible?
Side note while working on GPOs, I set Exceptions for the popup blocker and they are not showing up in the browser. I also filled out to remove Search Engines but they all still appear in the browsers. These two GPO settings don't appear to be working.
in our organisation i need several domainnames to be added in network.negotiate-auth.delegation-uris and network.negotiate-auth.trusted-uris, so that sso for some webappl… (läs mer)
in our organisation i need several domainnames to be added in network.negotiate-auth.delegation-uris and network.negotiate-auth.trusted-uris, so that sso for some webapplications is working. some are allready in the list. when i make changes to the list, everything is working ok, but when i clos all mozilla windows and restart mozilla, the changes are gone.
Hello I am looking for a way to disable the QUIC protocol in Firefox by GPO. I got your latest AMDX templates but I don't see the option to modify network.http.http3.ena… (läs mer)
Hello
I am looking for a way to disable the QUIC protocol in Firefox by GPO. I got your latest AMDX templates but I don't see the option to modify network.http.http3.enabled.
Either an AMDX template with this option or a Registry will do the trick
Thanks