A security group is a virtual firewall that controls the network access to Elastic Compute Service (ECS) instances. This topic describes how to create a default security group for an enterprise.
Log on to the ECS console by using your Alibaba Cloud account.
In the left-side navigation pane, choose Network & Security > Security Groups.
In the top navigation bar, select a region.
On the Security Groups page, click Create Security Group in the upper-right corner.
In the Create Security Group dialog box, configure the following parameters:
Security Group Name: Enter default-sg.
Network Type: Select the VPC that you created.
Security Group Type: Select Basic Security Group.
Other parameters: Retain the default configurations.