Mount removable storage devices as read-only

Prevent users from writing or modifying files on removable storage devices (i.e. flash disks, mobile phones, cameras).

  • Type: dconf

  • Key: /org/gnome/desktop/lockdown/mount-removable-storage-devices-as-read-only

  • Default: false

Note: default system value is used for “Not Configured” and enforced if “Disabled”.

Supported on Ubuntu 20.04, 22.04, 24.04, 24.10, 25.04.

Metadata

Element

Value

Location

User Policies -> Ubuntu -> Desktop -> Shell -> LockDown -> Mount removable storage devices as read-only

Registry Key

Software\Policies\Ubuntu\dconf\org\gnome\desktop\lockdown\mount-removable-storage-devices-as-read-only

Element type

boolean

Class:

User