uBlock Origin Firefox add-on is causing DNS leaks with Proxy/VPN add-ons

While making some tests of Firefox proxy/VPN addons recently, it came as a surprise that all of them share a big problem: DNS leaks. At first, it looked like a Firefox bug introduced recently in version 83, but rolling back to older versions like 80, 81 hasn’t fixed it. Making various changes in about:config made no big … Read more