DescribePortMaxConns - Anti-DDoS - Alibaba Cloud Documentation Center

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.

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:DescribePortMaxConns	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.	default
EndTime	long	Yes	The end of the time range to query. The value is a UNIX timestamp. Unit: seconds. Note This UNIX timestamp must indicate a point in time that is accurate to the minute.	1583683200
StartTime	long	Yes	The beginning of the time range to query. The value is a UNIX timestamp. Unit: seconds. Note This UNIX timestamp must indicate a point in time that is accurate to the minute.	1582992000
InstanceIds	array	Yes	The ID of the instance. Note You can call the DescribeInstanceIds operation to query the IDs of all instances.
	string	Yes	The ID of the instance.	ddoscoo-cn-mp91j1ao****

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request.	08F79110-2AF5-4FA7-998E-7C5E75EACF9C
PortMaxConns	object []	An array consisting of the details of the maximum number of connections that are established over a port of the instance.
Ip	string	The IP address of the instance.	203.*.*.117
Port	string	The port of the instance.	80
Cps	long	The maximum number of connections per second (CPS).	100

Examples

Sample success responses

JSONformat

{
  "RequestId": "08F79110-2AF5-4FA7-998E-7C5E75EACF9C",
  "PortMaxConns": [
    {
      "Ip": "203.***.***.117",
      "Port": "80",
      "Cps": 100
    }
  ]
}

Error codes

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