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92 lines
3.4 KiB
Markdown
92 lines
3.4 KiB
Markdown
<!--
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Title: How to configure Firefox for privacy and security
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Description: Learn how to configure Firefox for privacy and security.
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Author: Sun Knudsen <https://github.com/sunknudsen>
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Contributors: Sun Knudsen <https://github.com/sunknudsen>
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Reviewers:
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Publication date: 2022-11-04T11:00:13.850Z
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Listed: true
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-->
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# How to configure Firefox for privacy and security
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[](https://www.youtube.com/watch?v=s-vwthG28ks "Firefox privacy and security hardening guide (2022 revised edition)")
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## Caveats
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- When copy/pasting commands that start with `$`, strip out `$` as this character is not part of the command
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## Setup guide
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### Step 1: install [Firefox](https://www.mozilla.org/en-US/firefox/new/)
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Go to [https://www.mozilla.org/en-US/firefox/new/](https://www.mozilla.org/en-US/firefox/new/), download and install Firefox.
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### Step 2: add [user.js](./user.js) to profile
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> Heads-up: enables [Mullvad DNS over HTTPS](https://mullvad.net/en/help/dns-over-https-and-dns-over-tls/).
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> Heads-up: see [arkenfox/user.js](https://github.com/arkenfox/user.js/) to explore more settings.
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#### Start Firefox, paste “about:profiles” in address bar and press enter.
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#### Find default profile root directory and copy to clipboard.
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#### Download user.js to default profile root directory.
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> Heads-up: replace `/Users/sunknudsen/Library/Application Support/Firefox/Profiles/rzrw17yo.default-release` with default profile root directory copied to clipboard.
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```console
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$ cd "/Users/sunknudsen/Library/Application Support/Firefox/Profiles/rzrw17yo.default-release"
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$ curl --fail --remote-name https://sunknudsen.com/static/media/privacy-guides/how-to-configure-firefox-for-privacy-and-security/user.js
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```
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### Step 3: restart Firefox
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### Step 4: install [Firefox Multi-Account Containers](https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/) and [Privacy Badger](https://addons.mozilla.org/en-US/firefox/addon/privacy-badger17/) extensions
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#### Go to [https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/](https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/) and click “Add to Firefox”.
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#### Go to [https://addons.mozilla.org/en-US/firefox/addon/privacy-badger17/](https://addons.mozilla.org/en-US/firefox/addon/privacy-badger17/) and click “Add to Firefox”.
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> Heads-up: when asked to allow extension to run in private windows, check box and click “Okay”.
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### Step 5: set default search engine to DuckDuckGo
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### Step 6: configure containers (see episode)
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### Step 7: check for DNS and WebRTC leaks
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Go to [https://mullvad.net/en/check](https://mullvad.net/en/check).
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No DNS leaks
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No WebRTC leaks
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👍
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---
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## Usage guide
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### Temporarily disable cookie and site data deletion (useful when Firefox is restarted to install update or one wishes to reboot computer while persisting Firefox sessions)
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> Heads-up: “Delete cookies and site data when Firefox is closed” will be enabled again next time Firefox starts.
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Start Firefox, paste “about:preferences#privacy” in address bar and press enter.
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Disable “Delete cookies and site data when Firefox is closed”.
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👍
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---
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## Want things back the way they were before following this guide? No problem!
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### Delete `user.js` and set Firefox settings as they were before following guide.
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👍
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