Blocking Mass Storage in Linux

To Disable MASS Storage in Linux based distro's

1. Unmount the USB device if it is already plugged in

[root@centos ~]#umount /dev/sdb

#Device name may differ in your case

2. Remove the module
[root@centos ~]#modprobe -r usb_storage

3. Edit /etc/modprobe.d/blacklist.conf and append
blacklist usb_storage
Save the file.
Now when USB PIN Drive is plugged in, the hotplug scripts will no load it automatically.

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