How are you going to handle CDNs? Are you going to whitelist all the [random letters].cloudfront.net? What about public websites? You can conceivably establish a communications channel over any popular social media site.
uMatrix helps with all of this to block domains by name in the browser.
I suspect Little Snitch has a sort of hole in it's design.
I think the DNS lookups go through before you get the allow/deny dialog box. So your browser might do a dns lookup for user-gruez-jan-2020-in-timbuktu.<random>.trackingjerks.net which would get around little snitch.
I suspect Little Snitch has a sort of hole in it's design.
I think the DNS lookups go through before you get the allow/deny dialog box. So your browser might do a dns lookup for user-gruez-jan-2020-in-timbuktu.<random>.trackingjerks.net which would get around little snitch.