How to Block the USB device

Hi friends,
I wanna know how to block USB devices in my RedHat flavor Operating system.
regards,
Prakash

modprobe -r usb_storage

That won't stop the module getting autoloaded, though. Try

echo 'blacklist usb_storage' >> /etc/modprobe.d/blacklist.conf

...or wherever your blacklist.conf is.

Try the following command at your risk

sudo mv /lib/modules/$(uname -r)/kernel/drivers/usb/storage/usb-storage.ko /.usb-storage.ko

This won't load the USB device when rebooted.