Queries the maximum number of connections that can be established over the ports of one or more Anti-DDoS Pro or Anti-DDoS Premium instances.

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 DescribePortMaxConns

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

EndTime Long Yes 1583683200

The end of the time range to query. This value is a UNIX timestamp representing the number of seconds that have elapsed since the epoch time January 1, 1970, 00:00:00 UTC.

Note This UNIX timestamp must indicate a time that is accurate to the minute.
InstanceIds.N RepeatList Yes ddoscoo-cn-mp91j1ao****

The ID of the instance.

Note You can call the DescribeInstanceIds operation to query the IDs of all instances.
StartTime Long Yes 1582992000

The beginning of the time range to query. This value is a UNIX timestamp representing the number of seconds that have elapsed since the epoch time January 1, 1970, 00:00:00 UTC.

Note This UNIX timestamp must indicate a time that is accurate to the minute.
RegionId String No cn-hangzhou

The region ID of the instance. Valid values:

  • cn-hangzhou: mainland China, which indicates an Anti-DDoS Pro instance
  • ap-southeast-1: outside mainland China, which indicates an Anti-DDoS Premium instance
ResourceGroupId String No default

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.

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
PortMaxConns Array of PortMaxConns

Details about the maximum number of connections that are established over a port of the instance.

Cps Long 100

The maximum number of connections per second (CPS).
Ip String 203.***. ***.117

The IP address of the instance.
Port String 80

The port of the instance.
RequestId String 08F79110-2AF5-4FA7-998E-7C5E75EACF9C

The ID of the request.

Examples

Sample requests

http(s)://[Endpoint]/? Action=DescribePortMaxConns
&EndTime=1583683200
&InstanceIds.1= ddoscoo-cn-mp91j1ao****
&StartTime=1582992000
&<Common request parameters>

Sample success responses

XML format 

<DescribePortMaxConnsResponse>
	  <PortMaxConns>
		    <Port>80</Port>
		    <Ip>203. ***. ***.117</Ip>
		    <Cps>0</Cps>
	  </PortMaxConns>
	  <PortMaxConns>
		    <Port>443</Port>
		    <Ip>203. ***. ***.117</Ip>
		    <Cps>0</Cps>
	  </PortMaxConns>
	  <RequestId>08F79110-2AF5-4FA7-998E-7C5E75EACF9C</RequestId>
</DescribePortMaxConnsResponse>

JSON format 

{
	"PortMaxConns": [
		{
			"Port": "80",
			"Ip": "203. ***. ***.117",
			"Cps": 0
		},
		{
			"Port": "443",
			"Ip": "203. ***. ***.117",
			"Cps": 0
		}
	],
	"RequestId": "08F79110-2AF5-4FA7-998E-7C5E75EACF9C"
}

Error codes

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