Device ID can be used to create device based policy and monitor access based on connecting device.
For Manual device registration

| Linux | Â hal-get-property --udi /org/freedesktop/Hal/devices/computer --key system.hardware.uuid |
| MAC | system_profiler SPHardwareDataType | grep "Hardware UUID" |
| WINDOWS | Â wmic bios get serialnumber |




For creating DeviceID based policies refer : How to restrict users based on DeviceID using Device policies. | SonicWall