1. Log in to Alibaba Cloud account and select " Console " -----> " Cloud Server ECS ", then find the server information you need to configure the port, click " More " -----> " Network and Security Group "----->" Security Configuration Group ", as shown below
2. After the above operation is completed, the content shown in the figure below appears
3. Click on the " configuration rules " in the figure above , and the content shown in the figure below appears [is some of the port information we have configured in the past]
4. Click " Add Security Group Rule " in the figure above to display the following content
5. After filling in the content marked in red in the figure above, click " OK ".
