Actually doing this at the network level is already done by some ad blockers. And it likely is going to cause more problems than it solves in light of https usa

Actually doing this at the network level is already done by some ad blockers. And it likely is going to cause more problems than it solves in light of https usage. The only thing you can do there is Man-in-the-Middle connections - with all the bad implications this has: https://blog.hboeck.de/archives/874-More-TLS-Man-in-the-Middle-failures-Adguard,-Privdog-again-and-ProtocolFilters.dll.html https://blog.hboeck.de/archives/874-More-TLS-Man-in-the-Midd...