How to close ports 135 and 456 in win7 Ultimate?

            First of all, we need to first understand the meaning of this port, in fact, the port is a window for the computer to contact the outside world, although its original function is to help our computer and network to connect, but after that, because of computer crime, many The hacker also began to understand the use of the port function to invade the user's win7 64-bit flagship version to download the computer, stealing the user's information and stealing the user's economic assets. Therefore, many users feel that, under unnecessary preconditions, we will It is better to close the port in win7 Ultimate, so let's introduce Xiaobian to explain how to close the 135 and 456 ports in Win7 Ultimate to protect the network security of the computer.
1. First, let's press the win+R shortcut on the keyboard to open the computer's running window, then type regedit in the window and click Enter. This will open the registry editor window of the computer.
2. In the open registry editor window, let's click HEKY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\NetBT\\Parameters in the left menu, then move the mouse to the right window and click in the blank space. Right mouse button, select New -DWORD32 bit value, and name the item SMBDeviceEnabled.

4. Finally, double-click to open SMBDeviceEnabled option and then modify the data value in the edit window to 0 and click OK to save the changes and exit the window.