DescribeDdosCount - Anti-DDoS - Alibaba Cloud Documentation Center

Queries the number of assets that are under DDoS attacks in a specific region. The assets can be elastic IP addresses (EIPs). The assets can also be Elastic Compute Service (ECS) instances or Server Load Balancer (SLB) instances that are assigned public IP addresses.

Operation description

You can call the DescribeDdosCount operation to query the number of assets that are under DDoS attacks in a specific region.

Limits

You can call this operation up to 10 times per second per account. If the number of the calls per second exceeds the limit, throttling is triggered. As a result, your business may be affected. We recommend that you take note of the limit when you call this operation.

Debugging

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

Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example
DdosRegionId	string	Yes	The region ID of the asset to query. Note You can call the DescribeRegions operation to query the most recent region list.	cn-hangzhou
InstanceType	string	Yes	The type of the asset to query. Valid values: ecs: ECS instance slb: SLB instance eip: EIP	ecs

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request.	7D66C762-324E-51CE-B461-2007996087B2
DdosCount	object	The number of assets that are under DDoS attacks.
BlackholeCount	integer	The number of assets for which blackhole filtering is triggered.	0
InstacenCount	integer	The total number of assets.	0
DefenseCount	integer	The number of assets for which traffic scrubbing is triggered.	4

Examples

Sample success responses

JSONformat

{
  "RequestId": "7D66C762-324E-51CE-B461-2007996087B2",
  "DdosCount": {
    "BlackholeCount": 0,
    "InstacenCount": 0,
    "DefenseCount": 4
  }
}

Error codes

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