To enhance account security, you can set the IP addresses or CIDR blocks that you commonly use as a logon mask. After you set a logon mask, you can log on to your Alibaba Cloud account only from the specified IP addresses.
Important
After you set a logon mask, you can log on to the Alibaba Cloud website only from the specified IP addresses or IP address ranges. Logons from any other IP address will be blocked. Proceed with caution.
Procedure
Log on to the Alibaba Cloud Account Center. On the Security Settings page, click Modify next to Login Mask.
On the Set Login Mask page, enter a valid Login Mask and click Save.
