Jack Wallen walks you through the process of locking down options with Firefox's about:config page to help secure the browser from user tampering.

Firefox may not be the most popular browser these days, but it's still the most configurable—right down to the smallest little pixel. If hunting through about:config is too tiring, though, free ...

Ever since its debut, Firefox has garnered a reputation for being an enormously customizable program, both through its add-on architecture and its internal settings. In fact, many of Firefox's ...

Windows/Mac/Linux (Firefox): The Configuration Mania Firefox extension provides a GUI menu for tweaking Firefox's about:config settings. That means that rather than typing about:config in your ...

The organization of Gui:Config’s options window may take a little while to get used to, and it doesn’t provide access to all of Firefox’s advanced settings, but it does make tweaking many ...

Editor’s note: This image gallery accompanies our story Hacking Firefox: The secrets of about:config. Click through to that story for the full set of tweaks.

Open a new browser window (or blank tab) in Firefox 3, and in the URL bar, type about:config and press Return. You’ll see a warning about not changing advanced settings, and (at least in the ...

Before I get griped at for YAFFT, let me explain:I recently bit the bullet and wiped out my profile when installing the newest FF, but now I can't seem to find the setting (tools->options or about ...

There's only one transition. Firefox asks you to look at them anyway." The transition is due to happen for Mint 19.x, 20.x, and Linux Mint Debian Edition when Mozilla releases Firefox 96 due this ...