htaccess: how to block ip in a rewrite url

is it possible to block some ip or allow some ip

in some specific htaccess rewrite path

eg: using a php mvc framework, there is a htaccess to rewrite the query string(controller) into开发者_如何学编程 slash format, i want to allow some ip access on some specify controller without PHP code

is it possible to use htaccess?

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It is covered by the first section of the Apache Manual chapter on Access Control