Create a Rule Set
On the main menu of ZStack Cloud, choose . On the Firewall page, click the Rule Set tab. On the tab, click Create Rule Set. Then, the Create Rule Set page is displayed.
On the displayed page, set the following parameters:
- Name: Enter a name for the rule set.
- Description: Optional. Enter a description for the rule set.

After you create a rule set, you can add rules on the details page and associate the rules on the egress or ingress direction of a VPC vRouter NIC to defend the VPC vRouter against attacks.