Operation Scenario
If you no longer need a security group rule, you can delete it.
Prerequisites
You have confirmed that your CVM instance does not need to permit or forbid Internet access or private network access.
Steps
2. On the security group management page, choose Region, and locate the row of the security group whose rules are to be deleted.
3. In the operation column, click Modify Rules to enter the security group rule page.
4. On the security group rule page, click the Inbound Rules or Outbound Rules tab based on the direction (inbound or outbound) of the security group rules to be deleted.
5. Locate the security group rule that you want to delete and click Delete.
6. In the pop-up window, click OK.
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