Alibaba cloud lightweight servers open designated ports

Expose ports for the first time using cloud services , I stepped on some pits to sum up
The whole process begins with adding the corresponding port in the firewall , then , Enter the security group and add the specified port , To complete the entire setup
One 、 Firewall settings
1、 Enter the server and select firewall , Click on “ Add rules ”

2、 Enter the specified port number , Choice of agreement TCP Just go , Click OK when finished

Two 、 Add ports to the security group
1、 If there is no security group, click “ Create security groups ”, Click if any “ Configuration rules ”

2、 Click on “ Manually add ”

3、 Enter the corresponding port number 、 source address , Click save

This is the whole setup process , The whole setup is simple , But if you miss a link, it will be troublesome for the novice