[CentOS] Blocking external usb storage
Ross S. W. Walker
rwalker at medallion.com
Wed Jun 4 15:43:41 UTC 2008
Kevin Faulkner wrote:
> Fajar Priyanto wrote:
> > On Friday 23 May 2008 14:16:45 whoami i wrote:
> >> This is my first mail to this mailing list.I want to block external usb
> >> storage completly on my server running on centos 5 having confidiential
> >> data.
> > 1. unplug any usb storage
> > 2. rmmod ehci_hcd
> > 3. add a line in /etc/modprobe.d/blacklist
> > blacklist ehci_hcd
> Wouldn't that prevent him from using USB as a whole?
> perhaps a udev rule would play nicely here.
Yeah, a udev setting 660 or 600 perms to usb devices would
only allow admins or admins + those in a "trusted group" to
use USB devices.
You would also need to make sure the rules under /etc/security
don't override those set by udev.
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