If you need this kind of security, you should consider a C/S solution.
>The capacity of memory sticks and such is growing everyday. They make it very easy for a user to copy entire files off the network and walk off with them.
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>Is there anyway to prevent this?
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>Assume that the user needs read/write access when they use the application.
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>This would be a different way to express the question:
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>Can I specify that only one program has read/write access to the files unless the user has sufficiently high rights? (I still need to copy the files from time to time.)
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>Ummm... Two programs (system backup program, etc.)
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>Peter
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)