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Old 06-29-2009
shivarajM shivarajM is offline
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Arrow restrict USB
Hi,

How can i restrict use of USB in redhat. & also is it possible to allow USB devices for only specific devices or only few known penDrives......?

Thank you
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Old 06-29-2009
nj78 nj78 is offline
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Maybe try to comment out the services? Not sure about the second part.
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Old 06-30-2009
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otheus otheus is offline Forum Staff  
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USB devices are "linked" to the system using "udev" control scripts. /etc/udev contains all the scripts and rules that are processed when a new device is added to the system. You can do "man 7 udev" explains how it works. You might have something like this rule:

Code:
SUBSYSTEM=="usb_device"  OPTIONS=ignore_device

will completely disable all USB devices. Note, this rule has to come pretty early in the chain, so put it in the file 05-udev-early.rules. Anywhere, from there, you add exceptions (more rules) which match specific device drivers or device names.
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Old 06-30-2009
nj78 nj78 is offline
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Thanks for this, interesting, never have had to use this.
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Old 07-01-2009
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fpmurphy fpmurphy is offline Forum Staff  
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Modifying your udev scripts does not stop a knowledgable user from manually mounting a USB stick. It only stops the OS from automatically mounting the USB stick. You also need to ensure that users do not have permission to mount removable devices.
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