Configuring a Custom Bucket Policy (Coding Mode)¶

You can configure a custom bucket policy by coding. The size of a custom bucket policy cannot exceed 20 KB.

Procedure¶

In the bucket list, click the bucket you want to operate to go to the Objects page.
In the navigation pane, choose Permissions > Bucket Policies.
Click Create and click the JSON tab.

Edit the bucket policy. Below gives a bucket policy example in JSON:

{
   "Statement":[
       {
           "Action":[
               "CreateBucket",
               "DeleteBucket"
           ],
           "Effect":"Allow",
           "Principal":{
               "ID":[
                   "domain/account ID",
                   "domain/account ID:user/User ID"
               ]
           },
           "Condition":{
               "NumericNotEquals":{
                   "Referer":"sdf"
               },
               "StringNotLike":{
                   "Delimiter":"ouio"
               }
           },
           "Resource":"000-02/key01"
       }
   ]
 }

**Table 1** Parameters for creating a bucket policy in JSON¶
Parameter	Description
Action	Actions the bucket policy applies to. For details, see Actions.
Effect	Effect of the bucket policy. For details, see Effect.
Principal	Users the bucket policy is applied to. You can obtain the user ID on the My Credentials page by logging in to the console as the user to be authorized. Principals should be configured as follows: domain/Domain ID (indicating that the principal is an account) domain/Domain ID:user/User ID (indicating that the principal is a user under an account) Note Domain ID is the Account ID that you can find on the My Credentials page.
Condition	Conditions under which the bucket policy takes effect. For details, see Conditions.
Resource	Resources the bucket policy is applied to. For details, see Resources.

Click Create.

last updated: 2025-09-03 15:17 UTC - commit: d920494ebfe281dadf5648a673e837f6f3f30c8b