How to close ports 135 and 456 in win7 Ultimate?

First, let's first understand the meaning of this port. In fact, the port is a window for the computer to communicate with the outside world. Although its original function is to help our computer connect with the network, after that, because of computer crime, Many hackers also began to understand how to use the port function to invade the user's win7 64-bit flagship version to download the computer, steal the user's information and steal the user's economic assets. Therefore, many users feel that under the premise of unnecessary, we It is better to close the port in win7 Ultimate, so let's introduce Xiaobian to 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_MACHINESYSTEMCurrentControlSetServicesNetBTParameters in the left menu, then move the mouse to the right window, right click in the blank space, select New -DWORD32 bit value, 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.