No, we can't. Because we will not know what will be done with the information about the packets that are not blocked eiter. And because there is a lot of other

No, we can't. Because we will not know what will be done with the information about the packets that are not blocked eiter. And because there is a lot of other information that "the authorities" will not want us to have, if it's possible to block child pornography it they will get a lot more idea's about what they want to block.