Is it possible to ban search bots (like google, yahoo etc) from using search.cgi?

Many of these bots are taking my query links from home page (most recent queries) which I don't like.

I would also like to do this for recomment_it.cgi, contact.cgi, review.cgi and some more.

Basically I want search.cgi, recomment_it.cgi, contact.cgi, review.cgi etc. only to be accessible from my domain name.

Regards.

UnReal Network