Scenario
If you no longer need a security group rule, you can delete it.
Preparations
You have created a security group and added a security group rule to the group.
For information on how to create a security group and add a security group rule, see Creating a Security Group and Adding a Security Group Rule.
You have confirmed that your CVM instance does not need to permit or forbid public network access or private network access.
Instructions
1. Log in to the security group console and go to the security group management page.
2. Select a region and locate the security group whose rule you want to delete.
3. In the row of the security group, click Modify rule in the Operation column to go to the security group rule page.
4. On the Security Group Rules page, click the Inbound/Outbound Rules tab according to the direction (inbound/outbound) of the security group rule you want to delete.
5. Locate the security group rule, and click Delete in the Operation column.
6. In the pop-up dialog box, click Confirm.