Creating a Security Group

Scenarios

You can create security groups, define security group rules, and add ECSs in the VPC to the security groups, improving ECS access security. It is recommended that you allocate ECSs that have different Internet access policies to different security groups.

Procedure

1. Log in to the management console.
2. On the console homepage, under Network, click Virtual Private Cloud.
3. In the navigation pane on the left, choose Security Groups.
4. On the Security Groups page, click Create Security Group.
5. In the Create Security Group area, set the parameters as prompted. Table 1 lists the parameters to be configured.

   Table 1 Parameter descriptions

   Parameter	Description	Example Value
   Name	Specifies the security group name. This parameter is mandatory. The name can contain a maximum of 64 characters, which may consist of letters, digits, underscores (_), hyphens (-), and periods (.). The name cannot contain spaces. NOTE: You can change the security group name after a security group is created. It is recommended that you give each security group a different name.	sg-318b
   Description	Provides supplementary information about the security group. This parameter is optional. The description can contain a maximum of 255 characters and cannot contain angle brackets (< or >).	-

6. Click OK.