Method One, through the professional computer USB port management software to prohibit U disk copy computer files.
At present, there are many more effective computer U-port management software, you can effectively prohibit the use of U disk, limited Bluetooth, disable mobile phone memory card, and so on all with USB storage features of equipment. For example, there is a "trend to USB port control software" (Download Address: http://www.grablan.com/monitorusb.html), you can easily achieve the prohibition of the use of U disk functions, of course, can only be allowed from a U disk to the computer to copy files and prohibit The computer to the U disk copy files, or from the computer to the U disk copy files must enter the password. In this way, those who use your computer because they do not have the password, you will certainly not be able to replicate, which can protect the computer file security and trade secrets. As shown in the following illustration:
Method Two, through the registry or Group Policy to prohibit duplication of computer files, protect the computer files security.
1, click on the screen at the bottom left of the Windows button, in the "Search Files and Programs" box, enter "Gpedit.msc" and press ENTER to confirm the pop-up "local Group Policy Editor" window, as shown in the following figure:
2. In the Local Group Policy Editor window, expand Computer configuration → management module → system → Removable Storage access, and locate all Removable Storage classes: Deny all permissions, as shown in the following illustration:
3, double hit the "All Removable Storage classes: Deny all permissions" option in the above figure, select "Enabled" under the pop-up window, then click on the "OK" button, as shown in the following figure:
After the above operation needs to restart the computer to be effective, so set up remember to restart the computer Oh!
Prohibit other U disk copy data from the computer while also prohibit their own computer from the U disk copy data, so please carefully operate!
The following is a detailed tutorial to supplement the above methods
The first thing we have to do is open the registration, select the Start menu, and then select the Run option, as shown in the figure:
In the Open Run Options dialog window, we enter the registry command, Regedit, as shown in the figure: