Changes the service port of one or more hosts.

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 ModifyHostsPort

The operation that you want to perform.

Set the value to ModifyHostsPort.

HostIds String Yes ["1","2","3"]

The ID of the host for which you want to change the service port. The value is a JSON string. You can add up to 100 host IDs.

Note You can call the ListHosts operation to query the ID of the host.
InstanceId String Yes bastionhost-cn-st220aw****

The ID of the Bastionhost instance where you want to change the service port of the host.

Note You can call the DescribeInstances operation to query the ID of the Bastionhost instance.
Port String Yes 22

The new service port of the host. The port number must be an integer in the range of 22 to 65535.

ProtocolName String Yes SSH

The new protocol that is used to connect to the host. Valid values:

  • SSH
  • RDP
RegionId String No cn-hangzhou

The region ID of the Bastionhost instance where you want to change the service port of the host.

Note For more information about the mapping between region IDs and region names, see Regions and zones.

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 EC9BF0F4-8983-491A-BC8C-1B4DD94976DE

The ID of the request.

Results Array of Item

The call result of the operation.

Code String OK

The return code that indicates whether the call was successful. Valid values:

  • OK: The call was successful.
  • UNEXPECTED: An unknown error has occurred.
  • INVALID_ARGUMENT: A request parameter is invalid.
  • OBJECT_NOT_FOUND: The specified host is invalid.
  • OBJECT_AlREADY_EXISTS: The specified new port already exists on the host.
HostId String 1

The ID of the host.

Message String N/A

This parameter is obsolete.

Examples

Sample requests

http(s)://[Endpoint]/?Action=ModifyHostsPort
&HostIds=["1","2","3"]
&InstanceId=bastionhost-cn-st220aw****
&Port=22
&ProtocolName=SSH
&<Common request parameters>

Sample success responses

XML format

<ModifyHostsPortResponse>
      <RequestId>EC9BF0F4-8983-491A-BC8C-1B4DD94976DE</RequestId>
      <Results>
            <Message></Message>
            <HostId>1</HostId>
            <Code>OK</Code>
      </Results>
</ModifyHostsPortResponse>

JSON format

{
	"RequestId": "EC9BF0F4-8983-491A-BC8C-1B4DD94976DE",
	"Results": [{
		"Message": "",
		"HostId": "1",
		"Code": "OK"
	}]
}

Error codes

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