You can use NoScript.
Enable WebGL in LibreWolf/Firefox, block it with NoScript and manage a white list adding manually sites you need.
Privacy
A place to discuss privacy and freedom in the digital world.
Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
In this community everyone is welcome to post links and discuss topics related to privacy.
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That seems like a very simple option. Does NoScript in any way interfere with uBlock Origin or any of the settings in LibreWolf? As in, can I just allow everything except WebGL, turn on WebGL in about:config and have the exact same behavior as before?
I'm not sure if NoScript can block webgl specifically
It can. I've tried out the solution, and it works as described. Very simple and nice:)
I use Firefox with uBlock and NoScript plus other addons and seems to be no interference between those two.
Should not be an issue on LibreWolf.
NB I have not used LibreWolf, I don't think there are any site specific toggles in about:config. This probably doesn't help but some Android Webviews do allow this.
You probably considered this already but as a workaround could you use one browser when you need WebGL and another when you do not.
You can't really separate any and all about:config settings per-site, neither the whole setting store in it's entirety, but there are a few workarounds.
Generally for any about:config: you can make separate firefox profiles with their own about:config variations and use those sites in their own profile.
You can use the in-browser profile manager at about:profiles
, or the little window that allows selection before startup with the firefox -P
command. Works on windows too, but with .exe and the full path to it.
Then there are certain about:config settings have a pair that limits or excludes certain sites (privacy.resistFingerprinting is like that)
For webgl, I'm not sure if there's such an about:config setting, but there's a workaround. I have reenabled webgl in about:config, and instead blocked it with a uBlock rule, and defined exceptions to that rule for a few sites where I want it to work:
*##+js(aopr, WebGLRenderingContext.prototype.getExtension)
*##+js(aopr, WebGLRenderingContext.prototype.getParameter)
demo.f4map.com#@#+js(aopr, WebGLRenderingContext.prototype.getExtension)
demo.f4map.com#@#+js(aopr, WebGLRenderingContext.prototype.getParameter)
duckduckgo.com#@#+js(aopr, WebGLRenderingContext.prototype.getExtension)
duckduckgo.com#@#+js(aopr, WebGLRenderingContext.prototype.getParameter)
The above uBO rules use scriptlets, there are various, they can do very specific funny things with websites by running code snippets preapproved by the uBO devs. The uBO wiki on github has docs on what does aopr
do. There's also 2 exceptions, both for the maps.
When I first set it up I had known this as a proper webgl blocking solution, but if anyone could verify it I would be thankful. I think I got the first 2 lines from the uBO wiki, but I don't remember.
Cheers, this seems to be a good way to solve this for me! And thanks for also giving a way to have different profiles, was not aware of that!