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Dynamic Content Delivery Network:CreateDcdnWafPolicy

Last Updated:Apr 11, 2024

Creates a Web Application Firewall (WAF) protection policy.

Operation description

  • You can call this operation up to 20 times per second per user.
  • Alibaba Cloud Dynamic Route for CDN (DCDN) supports POST requests.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
  • All Resources

Request parameters


The name of the protection policy. The name can be up to 64 characters in length and can contain letters, digits, and underscores (_).


Specifies whether to set the current policy as the default policy. Valid values:

  • default: sets the current policy as the default policy.
  • custom: does not set the current policy as the default policy.

The status of the protection policy. Valid values:

  • on: The policy is enabled.
  • off: The policy is disabled.

The type of the WAF protection policy. Valid values:

  • waf_group: basic web protection
  • custom_acl: custom protection
  • whitelist: IP address whitelist
  • ip_blacklist: IP address blacklist
  • region_block: region blacklist
  • bot: bot management

Response parameters


The ID of the protection policy that you created.


The ID of the request.



Sample success responses


  "PolicyId": 10000001,
  "RequestId": "CB1A380B-09F0-41BB-A198-72F8FD6DA2FE"

Error codes

HTTP status codeError codeError messageDescription
400InvalidParameterThe specified parameter is invalid.A parameter is set to an invalid value.
400Policy.DefaultExistedThe default policy is existed in specified defense scene.The specified protection scenario already has a default policy.
400PolicyName.AlreadyExistsThe specified policy name already exists.The specified policy name is already used by another policy.
500InternalErrorAn internal error occurred; please try again later.An internal error occurred. Try again later. If the error persists, submit a ticket.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2023-08-29The Error code has changedsee changesets
Change itemChange content
Error CodesThe Error code has changed.
    delete Error Codes: 400
    delete Error Codes: 500
    Added Error Codes: 403