The ACL tab of the Security Settings page provides the IP Address Ranges, CIDR Blocks, and VPC Endpoints settings for allowing user access only from specified IP address ranges, CIDR blocks, or VPC endpoints.
Only the administrator or an entrusted identity can configure the ACL to control access of all IAM users under the account from specific IP address ranges, CIDR blocks, or VPC endpoints.
Access type:
You can specify the IP address range from 0.0.0.0 to 255.255.255.255 to control access to the cloud platform. The default setting is 0.0.0.0-255.255.255.255. If you do not specify a range or use the default range, your IAM users can access the cloud platform from IP addresses.
Specify CIDR blocks to control access to the cloud platform. For example, set CIDR Block to 10.10.10.10/32.
Specify access to the cloud platform APIs only from the VPC Endpoint with the specified ID, for example, 0ccad098-b8f4-495a-9b10-613e2a5exxxx. You can set the VPC endpoint only on the API Access tab. If access control is not configured, you can access APIs from all VPC endpoints by default.
Figure 1 VPC endpoints
