I am trying to block a list of urls across a home Wifi Network (like www.youtube.com) using open DNS. Since the router I am forced to use (Bell Home Hub 3000) has very limited options (it cannot block individual urls in the router settings) I thought something like open DNS would be a good option. However it does not block websites consistently across the network. That is, sometimes it works while sometimes it does not. I have followed all the steps in this guide but I am still having problems.
Is there a solution or another method that works network wide?
If you need any clarification feel free to ask.