This poses some pretty interesting questions. 1. Is it mandatory to install such filter software on Linux boxes also? 2. How do they handle the case where the

This poses some pretty interesting questions. 1. Is it mandatory to install such filter software on Linux boxes also? 2. How do they handle the case where the filter software is chroot'ed in a jail, so that the individual is complying with the letter of the law by installing and running the software, but managing to avoid the ill-effects? I'm not speaking about censorship etc., just plain curious.