user restriction p.s. something like bandwidth limit

I want to asked something is there a solution in windows xp to limit some users for download and upload (bandwidth).I download the net liniter but there is not such rule that can make difrent rules of bandwidth for difrent users.solution … TNX
Answer #1
anyone ….
Answer #2
hi,
i also need any software to restrict the file size download (with file size range) , please any one help to get it.
TX