Restricting Bucket Access to a Specified Address

Procedure

1. In the bucket list, click the bucket you want to operate. The Overview page of the bucket is displayed.
2. In the navigation pane on the left, click Permissions to go to the permission management page.
3. Choose Bucket Policies > Custom Bucket Policies.
4. Click Create Bucket Policy. The Create Bucket Policy dialog box is displayed.
5. Configure the parameters according to the following table:

   Table 1 Parameters for authorizing the permission to access a specified bucket

   Parameter	Value
   Policy Mode	Customized
   Effect	Deny
   Principal	Include > Other account If the account ID is set to *, the policy setting takes effect on all anonymous users. Leave the user ID blank.
   Resources	Include Select Entire bucket.
   Actions	Include Select the asterisk (*), indicating all actions are involved.
   Conditions	Conditional Operator: IpAddress Key: SourceIP Value: 114.115.1.0/24

6. Click OK.

Verification

Initiate an access request from an IP address within the range of 114.115.1.0/24. The access is denied. Initiate an access request from an IP address outside the range of 114.115.1.0/24. The access is allowed.