Safe browsing doesn't work like that; the list is stored locally. When something does need to be fetched, Firefox obfuscates what's being fetched. Most of tele

Safe browsing doesn't work like that; the list is stored locally. When something does need to be fetched, Firefox obfuscates what's being fetched. Most of telemetry is on Nightly only, IIRC. The bits that are on regular Firefox are thoroughly vetted to ensure that they don't impinge on privacy.