DeletePort - Anti-DDoS - Alibaba Cloud Documentation Center

Deletes the specified port forwarding rule.

Operation description

After you delete a port forwarding rule, the Anti-DDoS Pro or Anti-DDoS Premium instance no longer forwards service traffic on the Layer 4 port. Before you delete a specific port forwarding rule, make sure that the service traffic destined for the Layer 4 port is redirected to the origin server. This can prevent negative impacts on your services.

Note You can call this operation by using Terraform. For more information about Terraform, see What is Terraform?.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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:DeletePort	delete	All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
FrontendPort	string	Yes	The forwarding port. Valid values: 0 to 65535.	55
FrontendProtocol	string	Yes	The type of the protocol. Valid values: tcp udp	tcp
InstanceId	string	Yes	The ID of the Anti-DDoS Pro or Anti-DDoS Premium instance to which the port forwarding rule belongs. Note You can call the DescribeInstanceIds operation to query the IDs of all instances.	ddoscoo-cn-st21zbyq****
BackendPort	string	No	The port of the origin server. Valid values: 0 to 65535.	55
RealServers	array	No	An array that consists of the IP addresses of origin servers.
	string	No	The IP address of the origin server.	1.XX.XX.1

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request, which is used to locate and troubleshoot issues.	39499F01-19D9-4EA4-A0E9-C6014BA5CDBE

Examples

Sample success responses

JSONformat

{
  "RequestId": "39499F01-19D9-4EA4-A0E9-C6014BA5CDBE"
}

Error codes

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