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Firefox Settings for Privacy (about:config)πŸ‘€β˜‘

Some important settings for Firefox in about:config.

Those who donot know, Firefox Desktop browser and Firefox for Android( Till version 68)has some extra setting that can be accessed by typing about:config in search bar.

This settings are people who need some extra features or more privacy in their Firefox browser.


FUN TIP: Google Chrome has something similar too (but not as good as Firefox). Just type about:flags in the chrome search bar or chrome://flags to access them.

 Settings for Firefox . Only if you want to try

1. You can also disable this in the About:Config settings with toolkit.telemetry.enabled set to false.

2. Resist Fingerprinting:
privacy.resistFingerprinting = true

Changing this preference to true will help to make Firefox more resistant to browser fingerprinting.
3. privacy.trackingprotection.fingerprinting.enabled = true

This is a new preference with Firefox 67+ to block fingerprinting.
4. privacy.trackingprotection.cryptomining.enabled = true

Another new preference with Firefox 67+, this will block cryptominers.
5. Tracking protection
privacy.trackingprotection.enabled = true

Another new update, this is Mozilla’s built-in tracking protection feature. This will use a Disconnect.me filter list, but may be redundant if you are using uBlock Origin 3rd party filters.

6. Disable geolocation tracking
geo.enabled = false

Setting this to false will disable geolocation tracking, which may be requested by a site you are visiting. As explained by Mozilla, this preference is enabled by default and utilizes Google Location Services to pinpoint your location. In order to do that, Firefox sends Google:
your computer’s IP addressinformation about nearby wireless access pointsa random client identifier, which is assigned by Google (expires every two weeks)
7. media.navigator.enabled = false

Setting this preference to false will block websites from being able to track the microphone and camera status of your device.

8.
network.cookie.lifetimePolicy = 2

This is another integer type preference that you should set to a value of 2. This preference determines when cookies are deleted. Here are the different options:
0 = Accept cookies normally1 = Prompt for each cookie2 = Accept for current session only3 = Accept for N days

With a value of 2, websites you visit should work without any problems, and all cookies will be automatically deleted at the end of the session.
9.  Disable WebGL:
webgl.disabled = true

WebGL is a potential security risk, which is why it is best disabled by setting webgl.disabled to true. Another issue with WebGL is that it can be used to fingerprint your device.

10.
dom.event.clipboardevents.enabled = false

This prevents websites from getting notifications if you copy, paste, or cut something from the page.
11.
browser.privatebrowsing.autostart = true

This customization will always open your Firefox browser in incognito mode, which can be very helpful in hiding your browser data from another person operating the same system.
12.
media.peerconnection.enabled = false

WebRTC, aka Web Real-Time Communication, allows sharing of voice, video chat, and P2P sharing of files through your browser. It might be useful in some cases, but enabling it might bypass your encrypted tunnel created by a VPN, exposing your IP address.
13.privacy.trackingprotection.fingerprinting.enabled = true

Fingerprinting scripts collect information about your browser and device configuration, such as your operating system, screen resolution, and other settings.

14.privacy.trackingprotection.cryptomining.enabled = true

It will prevent websites from running crypto mining scripts that use your computer’s central processing unit (CPU) to invisibly mine cryptocurrency.
Enabling only prevents sites from doing crypto mining in your system. However, installing malicious software can make your system vulnerable to crypto mining. Always check the source when you download an application from the internet.
15.
network.prefetch-next = false

This setting helps to prefetch pages that are likely to be visited, so the browser downloads them immediately and they can be displayed when the user requests them.
Setting this preference to false will prevent pages from being prefetched by Firefox. Which lets all pages load only when they are visited by the user.
16.
webgl.disabled = true

WebGL can fingerprint your device, so disabling this feature will be a good choice. However, I’ve found many websites do not work when the setting is set to disable. If that happens, switch back to default.


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