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I need to set the max TLS version to 1.3 and the min version to 1.2 on my shstems. The max and min TLS versions are set to 4 and 3 by default in about:config. If I use lockPref(“security.tls.version.max”,”3”), it is still 4 in about:config for some reason. If I set the min version to 2, it is still 3. This also doesn’t work if I use “SSLVersionMin”: “tls1.2” how can I fix this issue? Thank you in advance!

In Supernova (v115) on Windows 11, when I view a message by double-clicking it to open it in a new window, I can set the Mail Toolbar to visible, then right click on it and select Customize. In previous versions I would put large icon/text button up there for Reply, Reply All, Forward, Print, and Delete. Those buttons don't appear to be available in Supernova for this toolbar.

Some of them appear to be in a fixed area as buttons with text beside the icon, and this area does not appear to have any customization available. For example, I don't use the Junk and Archive buttons, so if this "button area" must remain visible in this position, I'd like to be able to customize which of these buttons are visible.

My real preference would be to not have these buttons appear where they are now (to the right of the FROM: info), but instead to be able to have them in the Mail Toolbar at the top of the window as I could in the past. See attached screenshot for clarification of the Mail Toolbar->Customize window that doesn't currently allow for Reply, Reply All, Forward, Print and Delete to be added to the top Mail Toolbar.

Hi All,

I have recently been enhaciing our security posture and have started sorting out our browser extensions, however I seem to be having errors allowing 2 extensions

• 1Password; and
• Firefox Multi Containers.

This is my json:

{ "*": { "blocked_install_message": "version 0.4 - Addon or Extension is not approved. Please submit a ticket to Help Desk if you need access to this extension.", "install_sources": ["https://addons.mozilla.org/"], "installation_mode": "blocked" }, "{bc8367b6-d946-484e-8da6-37691f23ee64}": { "installation_mode": "allowed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/1password-x-password-manager/latest.xpi" }, "{2a28e7e4-64c9-4e7f-81fb-0475af840c0f}": { "installation_mode": "allowed", "install_url": "https://addons.mozilla.org/firefox/downloads/latest/multi-account-containers/latest.xpi" } }

I have tried the obvious and removed the {} from both extensions, however still having troubles.

Is someone able to point me in the right direction?

I try to disable the transition to fullscreen by following the steps. But after restart the Firefox ESR (waterfox), the rule don't apply. The rule:

/* Minimize fullscreen transition time */
#navigator-toolbox[fullscreenShouldAnimate] {
    transition: 0ms !important;
}

toolkit.legacyUserProfileCustomizations.stylesheets

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 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,

We want to run Firefox in our environment which is constantly scanned by a security scanner, and deducts points for applications which have a vulnerability that has an available patch, but the patch has not been installed. These are on shared Windows terminal servers. Firefox is one of two browsers, Edge being the other one.

If users do not launch firefox at least once, then Firefox never gets updated.

Yes, we have the background update service installed, but it sets itself to manual, and if I try to start it, it simply gives the error "error 1: incorrect function"

How can we configure Firefox 115ESR to be able to run this service automatically, check for updates, and install, without a user on a particular terminal server ever having launched the application once?

Are these supposed to look different, or am I just doing something wrong? In the image I included here, SanitizeOnShutdown and Preferences look different from FirefoxHome and look incorrect. I removed other policies to make this simpler, but all of the other policies with multiple policy values look just like FirefoxHome. It appears that SanitizeOnShutdown is at least working since my history is indeed getting cleared on shutdown, but I'm unsure whether this actually works when I set these to the settings they should be since they should all be false other than Locked. Am I doing something wrong here or are these two policies supposed to look like that for some reason? Thank you in advance for the help!

``` {

   "policies": {

"DisablePrivateBrowsing": true,

       "SanitizeOnShutdown": {
           "Cache": false,
           "Cookies": false,
           "Downloads": false,
           "FormData": false,
           "History": true,
           "Sessions": false,
           "SiteSettings": false,
           "OfflineApps": false,

"Locked": true

       },
       "FirefoxHome": {
           "TopSites": false,
           "Search": false,
           "SponsoredTopSites": false,
           "Pocket": false,
           "SponsoredPocket": false,
           "Highlights": false,
           "Snippets": false,
           "Locked": true
       }

"Preferences": {

   	    "browser.contentblocking.category": {
   			"Value": "strict",
   			"Status": "locked"
   		},
   		"extensions.htmlaboutaddons.recommendations.enabled": {
   		    "Value": false,
   		    "Status": false
   		}

}

   }

} ```

I am trying trying to install the keeper extension via intune but am having trouble with the oma-uri. It looks right to me but I might be missing something. Prior to running this I followed https://mzl.la/3vYAIYT and added the Firefox ADMX. Both run successfully but it does not add the extension. Firefox version 116.0.3

OMA-URI: ./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/ExtensionSettings

String: <enabled/> <data id="ExtensionSettings" value=' {

 "*": {
   "blocked_install_message": Opps, this may have been a mistake reach out to IT.",
   "install_sources":["about:addons","https://addons.mozilla.org/"],
   "installation_mode": "allowed",
   "allowed_types": ["extension" ,"theme"]
 },
 "KeeperFFStoreExtension@KeeperSecurityInc": {
   "installation_mode": "normal_installed",
   "install_url": "https://addons.mozilla.org/firefox/downloads/latest/keeper-password-manager/latest.xpi",

"default_area": "navbar"

 },

}'/>

Good morning,

Can you please answer some questions regarding the Rapid Risk Assessment tool that is available at the following link:

https://infosec.mozilla.org/guidelines/risk/rapid_risk_assessment.html

1. Will any information input into the tool be hosted within the United Kingdom's Servers? 2. Can you please clarify if any information submitted to the RRA toll is retained on your Servers? 3. Is there the option to configure the tool so that no information submitted is retained after the session has terminated.

Kind Regards,

Mark Gormley.

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" } }

Hi!

Using Intune, we are setting some settings in Firefox. One that is a bit troublesome is the ExtensionSettings

Currently looks like this:

{

 "*": {
   "blocked_install_message": "Blocked.",
   "installation_mode": "blocked"
 },
 "uBlock0@raymondhill.net": {
   "installation_mode": "allowed"
 },
 "addon@darkreader.org": {
   "installation_mode": "allowed"
 },
 "@react-devtools": {
   "installation_mode": "allowed"
 }

}

I get the Blocked message if I try any of the allowed extentions like uBlock, Dark Reader or React Dev Tools.

I can add that uBlock had "force_installed" (With URL since that is required for force) and that worked fine.

Hello everyone,

being annoyed of a huge amount of Qualys tickets in my enterprise environment, i have decided to use the ability of firefox to update itself on its own instead of deploying a new version each time.

Requirement: Firefox has to stay up-to-date even on devices where it is not used. That´s what the scheduled background update task and Mozilla Maintenance Service are for, right?

Problem: The background update task will only be created if a logged on user will run firefox at least one time. Since Firefox is used as the secondary browser here, it is installed on all clients, but not even half of the clients/users are running it.

I didn´t find any option to create that task manually. So - at least in my environment - the autoupdate mechanism is useless.

Is there any hope for an autoupdate mechanism which can be run independent of logged on users? Or does anyone have an idea how i could achieve my goal?

Thank you in advance!

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.

I am using the intune preview feature which allows you to import admx/adml instead of using the custom injection method. Everything works far better then with the injection method, except for one settings:

ExtensionSettings this setting is working when I have only one setting set (ex):

{"someplugin@test.com": { "installation_mode" : "allowed" }}

If I add a second line to the entry:

{"someotherplugin@test.com":{ "installation_mode" : "allowed"}}

I understand this is a new feature, but if I had the correct format that would work for HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox\ExtensionSettings to allow two plugins to work I belive I shouldn't have any issue getting the admx feature to do this, I even tried manually editing the registry setting and it breaks whenever I add the second line to it.

I have seen many references to this problem that Mozilla does not seem to want to fix.

I have to log in to my (remote) server regulary using the server IP address - there is not a domain name.

Every time (cookies/history always cleared on exit) it presents the message "Warning: Potential Security Risk Ahead" and then have to click advanced then accept the risk. Under previous versions I use, this could be stored so you do not have to go thrugh this process EVERY time on logging in to the server.

Everyone knows you can NOT assign a security certificate to an IP address so why does Mozilla not take this into consideration?

Will they change this in future versions?

Is there a work around (no config changes seem to work or chrome changes)

rgds JR UK

GOOGLE WILL NOT LET ME SIGN IN ON FIREFOX. I can sign in will all other browsers but I get this message on Firefox:

Couldn’t sign you in This browser or app may not be secure.

I have cleared cache, cookies. Checked for updates...rebooted, ect. Nothing works.

HELP!!!!

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.  :-)

Hello,

I'm trying to deploy Firefox with several languages.

I followed the guide on [https://support.mozilla.org/en-US/kb/deploying-firefox-language-packs].

Everything work fine until I set up ExtensionSettings policy. This policy hide and block languages menu.

After scratching my head for a while, I finally figured out how to do it. I would to like to know if an easier way to whitelist all locales and dictionaries. I would like to only control the extensions.

<enabled/> <data id="ExtensionSettings" value=' {

 "*": {
   "blocked_install_message": "Blocked by your administrator.",
   "installation_mode": "blocked",
   "allowed_types": ["extensions", "dictionary", "locale"]
 },
 "uBlock0@raymondhill.net": {
   "installation_mode": "force_installed",
   "install_url": "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi"
 },

"qwantcomforfirefox@jetpack": {

   "installation_mode": "force_installed",
   "install_url": "https://addons.mozilla.org/firefox/downloads/file/3658805/latest.xpi"

}, "langpack-en-CA@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-en-GB@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-en-US@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-es-AR@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-es-CL@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-es-ES@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-es-MX@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-fr@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-pt-BR@firefox.mozilla.org": {

 "installation_mode": "allowed"

}, "langpack-pt-PT@firefox.mozilla.org": {

 "installation_mode": "allowed"

} }'/>

Thank you

Dear Team, Our application is accessible on Firefox v101.0.1. But recently we have upgraded our desktops with Firefox v112.0.1. The same application accessible on Firefox 101.0.1 is not able to accessible on v112.0.1.

The error code we could see on browser is SEC_ERROR+PKCS11_GENERAL_ERROR. We have already raised a case with HTTP support team but they have suggested to check at browser level. We had also collected traces from firefox but unable to upload the same. Kindly help here at the earliest. Thanks, Shruti Fegade