Changing a Security Group

Scenarios

To change the security group associated with an ECS network interface, perform the operations described in this section.

Constraints

• Changing the security group will overwrite the original security group settings.
• Using multiple security groups may deteriorate ECS network performance. You are advised to select no more than five security groups.

Procedure

1. Log in to the management console.
2. Click . Under Compute, click Elastic Cloud Server.
3. In the ECS list, locate the row that contains the target ECS. Click More in the Operation column and select Manage Network > Change Security Group.

   The Change Security Group dialog box is displayed.

   Figure 1 Change Security Group
   
4. Select the target NIC and security groups.

   You can select multiple security groups. In such a case, the rules of all the selected security groups will apply to the ECS.

   To create a security group, click Create Security Group.

   

   Using multiple security groups may deteriorate ECS network performance. You are suggested to select no more than five security groups.

5. Click OK.