First of all, let me state unequivocally that Withheld has my utmost respect for the help he’s given me and for their intelligence. I also want it known that Withheld understands adblocking so I am not stating otherwise. And now for something completely different.
Yes, that’s exactly what it’s supposed to do; however, and this is a big however, even AdGuard states that using the CSP modifier as in
^$csp=<value>~example.com ; or
@@||example.com^$csp=<value> , as basic examples for the public who may be consuming / reading this discussion, using these and more “complicated” CSP modifiers will not function when used with each version of AdGuard or even each version of AdGuard for the same operating systems. EDIT 2019-04-04T05:24:47+00:00 (So to not misinform the public at large, I felt thus paragraph had to be stated in response to Withheld who asked a question and then went on to answer it, which prompted my initial useless commentary which then, however, prompted dialogue which did end up as useful).
AdGuard, and as I previously mentioned though in a different context uBlock Origin, are currently the two most advanced “adblockers”. AdBlock Pro, as you’d mentioned being in use, is not able to handle the advanced syntax that AdGuard & uBlock Origin both are able to handle.
In fact, not opinion, ABP lags behind both AG/P and uBO in (most?) capabilities. As of 04.21 in 2018 AdBlock Pro began support of the CSP modifier & though I’m unsure how far they’ve travelled; they are most likely playing catch-up to AdGuard who, from my understanding and love for AdGuard (despite relying on uBlock Origin on my workstation ), essentially codified the original schema as supported by “adblockers”. The devs over at AdGuard (find them when free on GitHub and they’ll be happy to discuss the pros and limitations of the CSP modifier and anything else product-related.) Tell them intr0 says “Hi!”, if you do, please . Especially Andrey & Marie. Thank-you.
EDIT 2019-04-04T05:29:03+00:00 P.S. Your extensions read like mine from Firefox 3.6 (when AdBlock Pro worked and Ghostery didn’t exist (?) and neither did Privacy Badger. Also, running the three listed extensions simultaneously may cause issues. I know it specifies that running more than one “adblocker” will cause issues, though Ghostery and AdBlock Plus are essentially. Even Privacy Badger to an extent. Check out Privacy Possum @ https://addons.mozilla.org/en-US/firefox/addon/privacy-possum/. Unless you’re pre-57 FF.
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