DescribeBackSourceCidr - Anti-DDoS - Alibaba Cloud Documentation Center

Queries the back-to-origin CIDR blocks of Anti-DDoS Pro or Anti-DDoS Premium.

Debugging

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

Debug

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.

Operation	Access level	Resource type	Condition key	Associated operation
yundun-ddoscoo:DescribeBackSourceCidr	Read	All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
ResourceGroupId	string	No	The ID of the resource group to which the instance belongs in Resource Management. This parameter is empty by default, which indicates that the instance belongs to the default resource group.	rg-acfm2pz25js****
Line	string	No	The Internet service provider (ISP) line that you want to query.	coop-line-001
IpVersion	string	No	The IP version of the back-to-origin CIDR block. Ipv4 Ipv6	IPv4

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request, which is used to locate and troubleshoot issues.	0bcf28g5-d57c-11e7-9bs0-d89d6717dxbc
Cidrs	array	An array that consists of the back-to-origin CIDR blocks of the instance.
	string	The back-to-origin CIDR block of the instance.	47.0.XX.XX/25

Examples

Sample success responses

JSONformat

{
  "RequestId": "0bcf28g5-d57c-11e7-9bs0-d89d6717dxbc",
  "Cidrs": [
    "47.0.XX.XX/25"
  ]
}

Error codes

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