14.3. Blocking and authorizing a USB device using CLI
This procedure outlines how to authorize and block a USB device using the usbguard command.
Conditions préalables
-
The
usbguardservice is installed and running.
Procédure
List USB devices recognized by
USBGuard:# usbguard list-devices 1: allow id 1d6b:0002 serial "0000:00:06.7" name "EHCI Host Controller" hash "JDOb0BiktYs2ct3mSQKopnOOV2h9MGYADwhT+oUtF2s=" parent-hash "4PHGcaDKWtPjKDwYpIRG722cB9SlGz9l9Iea93+Gt9c=" via-port "usb1" with-interface 09:00:00 ... 6: block id 1b1c:1ab1 serial "000024937962" name "Voyager" hash "CrXgiaWIf2bZAU+5WkzOE7y0rdSO82XMzubn7HDb95Q=" parent-hash "JDOb0BiktYs2ct3mSQKopnOOV2h9MGYADwhT+oUtF2s=" via-port "1-3" with-interface 08:06:50
Authorize the device 6 to interact with the system:
# usbguard allow-device 6Deauthorize and remove the device 6:
# usbguard reject-device 6Deauthorize and retain the device 6:
# usbguard block-device 6
Note
USBGuard uses the block and reject terms with the following meanings:
- block: do not interact with this device for now.
- reject: ignore this device as if it does not exist.
Ressources supplémentaires
-
usbguard(1)man page. -
Built-in help listed by using the
usbguard --helpcommand.
