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There is an add-on called uMatrix for FF. I haven't tried it so I cn't tell you if it works or not. https://addons.mozilla.org/en-US/firefox/addon/umatrix/ ht

There is an add-on called uMatrix for FF. I haven't tried it so I cn't tell you if it works or not. https://addons.mozilla.org/en-US/firefox/addon/umatrix/ https://addons.mozilla.org/en-US/firefox/addon/umatrix/

marquis-chacha 7y ago
Sorry I was unclear, uMatrix still exists, and I used to use it on Firefox, but now I get a message: uMatrix could not be verified for use in Firefox and has been disabled.
- ajnin 7y ago
  It's working for me, make sure you have the latest Firefox version, there was a bug a few days ago which broke addon-on signature verification.
  - marquis-chacha 7y ago
    That was it. Used to Firefox autoupdating, but didn't this time for some reason.
- yjftsjthsd-h 7y ago
  Works fine here. You're on current FFx?
  - marquis-chacha 7y ago
    That was it. Used to Firefox autoupdating, but didn't this time for some reason.
- mxd3 7y ago
  uMatrix works in Firefox stable as of last night