Queries the source ports of UDP traffic that are filtered out by the filtering policies for UDP reflection attacks on an Anti-DDoS Pro or Anti-DDoS Premium instance.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeUdpReflect

The operation that you want to perform. Set the value to DescribeUdpReflect.

InstanceId String Yes ddoscoo-cn-i7m25564****

The ID of the instance.

Note You can call the DescribeInstanceIds operation to query the IDs of all instances.
RegionId String No cn-hangzhou

The region ID of the instance. Valid values:

  • cn-hangzhou: mainland China, which indicates an Anti-DDoS Pro instance. This is the default value.
  • ap-southeast-1: outside mainland China, which indicates an Anti-DDoS Premium instance.

All Alibaba Cloud API operations must include common request parameters. For more information about common request parameters, see Common parameters.

For more information about sample requests, see the "Examples" section of this topic.

Response parameters

Parameter Type Example Description
RequestId String F97A8766-FB4D-411A-9CD5-2CFF701B592F

The ID of the request.

UdpSports List [17,19,69,111,123,137,161,389,1194,1900,3389,11211,11212]

The source ports of the UDP traffic that are filtered out by the filtering policies for UDP reflection attacks.

Examples

Sample requests

http(s)://[Endpoint]/?Action=DescribeUdpReflect
&InstanceId=ddoscoo-cn-i7m25564****
&<Common request parameters>

Sample success responses

XML format

<DescribeUdpReflectResponse>
	  <RequestId>F97A8766-FB4D-411A-9CD5-2CFF701B592F</RequestId>
	  <UdpSports>17</UdpSports>
	  <UdpSports>19</UdpSports>
	  <UdpSports>69</UdpSports>
	  <UdpSports>111</UdpSports>
	  <UdpSports>123</UdpSports>
	  <UdpSports>137</UdpSports>
	  <UdpSports>161</UdpSports>
	  <UdpSports>389</UdpSports>
	  <UdpSports>1194</UdpSports>
	  <UdpSports>1900</UdpSports>
	  <UdpSports>3389</UdpSports>
	  <UdpSports>11211</UdpSports>
	  <UdpSports>11212</UdpSports>
</DescribeUdpReflectResponse>

JSON format

{
  "RequestId": "F97A8766-FB4D-411A-9CD5-2CFF701B592F",
  "UdpSports": [
    17,
    19,
    69,
    111,
    123,
    137,
    161,
    389,
    1194,
    1900,
    3389,
    11211,
    11212
  ]
}

Error codes

For a list of error codes, visit the API Error Center.