DeviceLock controls access for users and groups to the floppy disk, CD / DVD-drive, removable storage, PDAs, hard drives, Wi-Fi, Bluetooth, and input-output port USB, FireWire, COM, LPT, IrDA. Performed by monitoring devices and input / output ports, depending on the time and day of the week. For removable media drives, hard drives, CD / DVD-drives, PDAs, and tape drives are an opportunity to establish the type of access read only