By default, USB Block does not allow access to any unauthorized device or external drive unless you authorize it. Following are the devices that can be blocked through USB Block: USB Devices including any storage device that is attached to USB port or any connector and shows a drive in the system. For example; USB Drives, External Drives, SD Cards, MMCs, Memory Sticks, Digital Cameras, Memory Cell Phones, iPods, Blackberry, Android and Other Mobile Phones, FireWire, Enhanced mini-USB, HCI i.e. Host Controller Interface, HP-IL, Com, LPT, IrDA, USB on-the-go, U3, EHCI, RAID Controller, Host adapter, Serial Cable (use with data transfer), Serial ATA, ACCESS.bus etc. Discs & Floppy Drives including CD-R, CD-RW, CD-RAM, DVD-R, DVD-RW, DVD-RAM, HD-R, HD-RW, HD-RAM, Blu Ray-R, Blu Ray-RW, Blu Ray-RAM, Floppy Disk A, Floppy Disk B and Zip Drives. Network Drives or PCs including PC names in My Network Places, Specific PC's drives in My Network Places, Map Network drives, Ethernet, Wi-Fi and Bluetooth Networks or any other drive that user access via Run command, IP, CMD or Windows Explorer. Note: This feature would not however stop other's access to your own shared folders on your computer. For this, we recommend that you stop sharing all folders on your own computer, on which USB Block is installed. Non-System Drives including IDE, SATA, ATA, FATA, Parallel ATA, SCSI, SASI, RAID and all other relevant types of Hard Drives.