alt Hacker NewsWhat would prevent sites from just injecting ads into their content server-side? You'll always need both element and request blocking.
What would prevent sites from just injecting ads into their content server-side? You'll always need both element and request blocking.
That's why GP wrote MITM, not just network blocking. MITM implies the middlebox is trusted by the browser in which it has installed a certificate, so can see and modify content.