Configure object ACLs

On the CRE website, log in to the OSS console.
On the OSS page, select the Buckets tab.
On the Buckets page, select the bucket.
On the details page, click the Files tab.
On the Files tab, select the file.
On the Files tab, Click the More button.
On the More drop-down list, click the Set ACL button.
On the Set ACL panel, configure the parameters.
Note: You can set the ACL of the object to one of the values:

Inherited from Bucket: The ACL of the object is the same as that of the bucket.
Private: Only the owner or authorized users of this bucket can read and write objects in the bucket. Other users, including anonymous users, cannot access the objects in the bucket without authorization.
Public Read: Only the owner or authorized users of this bucket can write objects in the bucket. Other users, including anonymous users, can only read objects in the bucket.
Public Read/ Write: All users, including anonymous users, can read and write objects in the bucket. Fees incurred by such operations are charged to the owner of the bucket. Exercise caution when you set the object ACL to this value.