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I need to disable all USB storage devices except a software Protection Dongle. How do I do it? I tried black listing the USB storage device, but that seems to block ALL usb devices including the dongle. Can udev be used for this? If yes, I can't figure out the command, I tried using a grep to determine disk size and then block all disks having size above 2MB. But in that case, how do I make it apply for USB storage devices in specific.

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Ran across it yesterday: right up your alley.. nifty-udev-examples

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