The ISP -- The government should mandate ISPs to setup a filter that filters such results.

However that option should then be forced upon the customer asking if they wish to enable such service or not.

This would effectively give the ISP a list of naughty people who have requested porn.

This should be solved on the client side. Parents should install filters on their own computers.

But who then creates the filter software and not to say obeys Government's orders of wanting a backdoor.

That way the goverment gets a list of naughty people who have requested porn.

It's the chicken or the egg scenario.