The systemd Project https://systemd.io Allow mounting of file system image Authentication is required for an application to mount a file system image. auth_admin_keep auth_admin_keep yes Allow mounting of untrusted file system image Authentication is required for an application to mount a cryptographically unsigned file system image or an image whose cryptographic signature is not recognized. auth_admin auth_admin auth_admin io.systemd.mount-file-system.mount-image Allow private mounting of trusted file system image Authentication is required for an application to privately mount a file system image or an image whose cryptographic signature is recognized. yes yes yes Allow private mounting of untrusted file system image Authentication is required for an application to privately mount a cryptographically unsigned file system image or an image whose cryptographic signature is not recognized. auth_admin auth_admin auth_admin io.systemd.mount-file-system.mount-image-privately