# Phoenix, a suite of Firefox configurations

**URL:** https://discuss.privacyguides.net/t/phoenix-a-suite-of-firefox-configurations/29410
**Category:** Tool Suggestions
**Created:** 2025-07-24T20:01:13Z
**Posts:** 9

## Post 1 by @anonymous372 — 2025-07-24T20:01:13Z

### Website

> **[Phoenix](https://codeberg.org/celenity/Phoenix)**
>
> Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usability.

### Short description

Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usability.

### Why I think this tool should be added

@celenity  
People have been talking a lot about Arkenfox, so I thought this would be worth mentioning. Phoenix has hardening that Arkenfox and even Librewolf don’t have, on top of having updates as timely as stock Firefox.

> **[Phoenix](https://codeberg.org/celenity/Phoenix/wiki/?action=_pages)**
>
> Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usability.

Among other things, it uses BeaconDB as a location provider, blocks cookie banners, enables Post Quantum Key Agreement, disables JIT, and proxies Google Safe Browsing while protecting metadata.

Currently, it’s only on GNU/Linux, but work is underway to make it cross-platform.

I still prefer Brave, Trivalent, or Vanadium, but once Phoenix reaches cross-platform, I see no reason why it shouldn’t be recommended over Arkenfox.

### Section on Privacy Guides

Web Browsing

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## Post 2 by @anonymous372 — 2025-07-24T20:18:46Z

@celenity

DNT is deprecated, could you toggle it off by default on Phoenix?

> [@Remove References to DNT](https://discuss.privacyguides.net/t/remove-references-to-dnt/25088):
>
> DNT is deprecated: And some browsers are removing support. I’d like to scrub the site of any references to DNT.

Also your browser guides on your github website and normal website talk about enabling DNT, could you delete those parts?

Lastly uBO Lite will be released on Firefox which has MV3 security improvements and possibly filtering improvements, would you consider switching to uBO Lite when it releases?

> [@Privacy vs. Profit: The Impact of Google's Manifest Version 3 (MV3) Update on Ad Blocker Effectiveness](https://discuss.privacyguides.net/t/privacy-vs-profit-the-impact-of-googles-manifest-version-3-mv3-update-on-ad-blocker-effectiveness/27496):
>
> Our results reveal no statistically significant reduction in ad-blocking or anti-tracking effectiveness for MV3 ad blockers compared to their MV2 counterparts, and in some cases, MV3 instances even exhibit slight improvements in blocking trackers.

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## Post 3 by @anon11657877 — 2025-07-24T21:33:38Z

> [@anonymous372](#):
>
> Lastly uBO Lite will be released on Firefox which has MV3 security improvements and possibly filtering improvements

[If it doesn’t](https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)#filtering-capabilities-which-cant-be-ported-to-mv3) [support](https://github.com/uBlockOrigin/uBlock-issues/discussions/2261#discussioncomment-4146662) [dynamic filtering](https://github.com/gorhill/uBlock/wiki/Dynamic-filtering:-quick-guide), it’s not an improvement. It’s better to be able to block everything by default and enable only the scripts and content necessary for a site to run then to block according to a filter list. That’s an actual privacy improvement because simply blocking ads won’t do much on it’s own.

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## Post 4 by @overdrawn98901 — 2025-07-24T21:36:02Z

> [@anonymous372](#):
>
> Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usability.

How does this compare to Arkenfox?

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## Post 5 by @anonymous372 — 2025-07-24T21:46:12Z

> [@anon11657877](#):
>
> [If it doesn’t](https://github.com/uBlockOrigin/uBOL-home/wiki/Frequently-asked-questions-(FAQ)#filtering-capabilities-which-cant-be-ported-to-mv3) [support](https://github.com/uBlockOrigin/uBlock-issues/discussions/2261#discussioncomment-4146662) [dynamic filtering](https://github.com/gorhill/uBlock/wiki/Dynamic-filtering:-quick-guide), it’s not an improvement.

Can’t you just disable Javascript on sites that don’t require it? Couldn’t a privacy invasive site put the privacy invasive parts on necessary scripts for the site to function? MV3 mitigates the amount of damage a bug or malicious rule can do, so it can be a security improvement and privacy improvement by extension.

> [@overdrawn98901](#):
>
> How does this compare to Arkenfox?

> **[Comparison](https://codeberg.org/celenity/Phoenix/wiki/Comparison)**
>
> Phoenix is a suite of configurations & advanced modifications for Mozilla Firefox, designed to put the user first - with a focus on privacy, security, freedom, & usability.

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## Post 6 by @anon11657877 — 2025-07-24T23:10:33Z

The point is disable Javascript by default and if a website doesn’t load, then enable one script at a time. This is still better than allowing all Javascript.

What we really need is an extension like what uMatrix used to be before it went unmaintained. [xiMatrix](https://addons.mozilla.org/en-US/firefox/addon/ximatrix/) is all I could find for Firefox but I haven’t tested it and barely anyone uses it. Pale Moon at least has [ηMatrix](https://addons.palemoon.org/addon/ematrix/) but we shouldn’t be using that browser anyways.

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## Post 7 by @null — 2025-07-25T16:13:33Z

If I remember correctly Ironfox uses Phoenix

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## Post 8 by @anonymous372 — 2025-07-25T18:11:35Z

It doesn’t use Phoenix directly, but it keeps the same configurations and hardening Phoenix does; both are made by the same developer

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## Post 9 by @PhobosYeimos — 2025-09-11T18:16:36Z

I’m using Phoenix right now and, while some websites like Discourse-based forums appear a bit broken sometimes or have a slow performance, it works.

I think both _Phoenixed_ Firefox (on desktop) and IronFox (on Android) should be recommended, maybe with a disclaimer that sensitive tasks should be performed on Blink (Chromium)-based browsers.
