Question on scores and how to IP ban

Hello,

I have a couple questions real quick.

1: How would I make it so that it will only save the top 10 or top 20? Right now the only option I see is to let it save the top score, or save all of them, and in the pruning scores section it prunes by age. I want to make it so that the top 10 (or 20, havent decided yet) scores are the ones that are saved.

2: I've noticed that wildcard masks don't seem to work. If I have IP address 1.2.3.4 and I ban 1.2.*.* the user can still access the site. How can I make the IP banning protocol work with wildcards?

Thanks.