Configuring a Bucket Policy

A bucket policy defines access control over resources (buckets and objects) in OBS.

Procedure

1. Log in to OBS Browser.

2. Click the blank area in the row of the bucket for which you want to configure a bucket policy and choose More > Configure Bucket Policy.

3. In the Configure Bucket Policy dialog box, input required parameters.

   The size of a bucket policy cannot exceed 20 KB.

   Table 1 describes the parameters of bucket policies. All fields except the Effect field are optional.

   Table 1 Parameters in bucket policies

   Parameter	Description	Mandatory or Not
   Version	The value can be 2008-10-17.	Optional
   Id	The ID of the bucket policy. The value must be unique.	Optional
   Statement	The description of the bucket policy. The statement defines complete permission control. Each bucket policy can have multiple statements, and each statement contains the following parameters: Sid Effect Principal NotPrincipal Action NotAction Resource NotResource Condition	Mandatory
   Effect	Effect of the bucket policy. The statement can be set to accept or reject requests. Possible values are Allow and Deny	Mandatory
   Sid	The statement ID.	Optional
   Principal/NotPrincipal	Users on whom the bucket policy statement takes effect Either Principal or NotPrincipal must be selected to specify the user on whom the bucket policy statement takes effect or does not take effect.	Mandatory
   Action/NotAction	OBS actions which the bucket policy is applied to. Either Action or NotAction must be selected to specify whether the bucket policy applies to the OBS actions.	Mandatory
   Resource/NotResource	Objects on which the bucket policy statement takes effect Either Resource or NotResource must be selected to specify whether the bucket policy applies to the OBS resources.	Mandatory
   Condition	The conditions under which the bucket policy takes effect	Optional

   Example: Uploading objects to bucket bucket-example is not allowed.

   {
       "Version":"2008-10-17",
       "Id":"Policy1527928945090",
       "Statement":[
           {
               "Sid":"Stmt1527929149040",
               "Effect":"Deny",
               "Principal":
               {
                   "AWS":[
                       "*"
                   ]
               },
               "Action":[
                   "s3:Put*"
               ],
               "Resource":[
                   "arn:aws:s3:::bucket-example/*"
               ]
           }
       ]
   }
   

4. Click Save.

5. In the displayed dialog box, click Close to close the dialog box.

last updated: 2024-12-11 10:27 UTC - commit: 1084b97f9d241d7af788bdfaa536dba9679533f7