How to lock Firefox config settings?

You can use the mozilla. cfg file in the Firefox program folder to set or lock preferences and run privileged JavaScript code. A local-settings. js file needs to be placed in the “defaults/pref” folder where also the channel-prefs.

How do I lockdown Firefox?

Check the “Block pop-up windows” box to disable pop-ups. The steps are the same in Firefox, it’s just called the Privacy and Security tab, instead of just Security. In Edge, head to your Settings, then click More to get to “Site permissions.” Select “Pop-ups and redirects,” and shift the “Block” toggle to “On.”

How do I change Firefox config file?

Type about:config in the address bar and press Enter. A warning page may appear. Click Accept the Risk and Continue to go to the about:config page. Click Show All to view all preferences currently set in the profile or use the Search preference name box to filter the list.

Where is Firefox config file stored?

Chosen solution. They’re stored in the prefs. js file, which is a plain text file.

How do I lock a config file?

You can lock configuration settings in ASP.NET configuration files (Web. config files) by adding an allowOverride attribute to a location element and setting the allowOverride attribute to false. Then within the location element, you can define the configuration section that you want to lock.

How do I harden Firefox Privacy?

You can also disable data sharing with Firefox for Android by going to Menu > Options > Privacy > Data Choices and then uncheck all three categories for Telemetry, Crash Reporter, and Mozilla Location Service. Note: You can also disable this in the About:Config settings with toolkit. telemetry. enabled set to false.

Does LockDown browser work on Firefox?

Firefox: The first time you use Firefox to click the “Launch LockDown Browser” button, a dialog window will appear. You should select LockDown Browser. We also recommend selecting the “Remember my choice” option.

How do I lock my browser settings?

To lock your browser, you can use any of the two options:

  1. Right-click on a webpage, access Browser Lock, and click on the Lock Browser option.
  2. Click on the extension icon and then select the Lock Browser option.

How do I edit about config?

  1. Opening the “about:config” screen. First, type about:config in your browser’s address bar as shown in the picture below and press the Return / Enter key.
  2. Editing a Preference. If you want to Edit a preference, right-click on it and select Modify as shown in the picture below.
  3. Adding a preference.

What is about config in Firefox?

Hi Vic, about:config is an internal address like about:preferences (the Options page) or about:support (the Troubleshooting Information page). You can type or paste about:config in the address bar and press Enter to load it. More info: Configuration Editor for Firefox.

How does file locking work?

File locking is a mechanism that restricts access to a computer file, or to a region of a file, by allowing only one user or process to modify or delete it at a specific time and to prevent reading of the file while it’s being modified or deleted.