GetInstanceTwoFactor - Bastionhost - Alibaba Cloud Documentation Center

Queries the settings of two-factor authentication on a bastion host.

Operation description

You can call this operation to query the settings of two-factor authentication on a bastion host. After you enable two-factor authentication, Bastionhost sends a verification code to a local user when the local user logs on to a bastion host. A local user can log on to the bastion host only when the local user enters the valid username and password and the verification code. This reduces the security risks caused by account information leaks.

Limit

You can call this operation up to 10 times per second per account. If the number of the calls per second exceeds the limit, throttling is triggered. As a result, your business may be affected. We recommend that you take note of the limit when you call this operation.

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-bastionhost:GetInstanceTwoFactor	get	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	Yes	The ID of the bastion host. Note You can call the DescribeInstances operation to query the ID of the bastion host.	bastionhost-cn-st220aw****
RegionId	string	No	The region ID of the bastion host. Note For more information about the mapping between region IDs and region names, see Regions and zones.	cn-hangzhou

Response parameters

Parameter	Type	Description	Example
	object	Schema of Response
RequestId	string	The ID of the request, which is used to locate and troubleshoot issues.	EC9BF0F4-8983-491A-BC8C-1B4DD94976DE
Config	object	The settings of two-factor authentication.
EnableTwoFactor	boolean	Indicates whether two-factor authentication is enabled. Valid values: true false	true
TwoFactorMethods	array	The two-factor authentication methods.
Item	string	Indicates one or more methods that are used to send verification codes if two-factor authentication is enabled. Valid values: sms: text message-based two-factor authentication. email: email-based two-factor authentication. dingtalk: DingTalk-based two-factor authentication. totp: one-time password (OTP) token-based two-factor authentication. gmusbkey: two-factor authentication by using SM-based USB keys.	sms
SkipTwoFactorTime	long	The duration within which two-factor authentication is not required after a local user passes two-factor authentication. Valid values: `0 to 168`. Unit: hours. Note If 0 is returned, a local user must pass two-factor authentication every time the local user logs on to the bastion host.	1

Examples

Sample success responses

JSONformat

{
  "RequestId": "EC9BF0F4-8983-491A-BC8C-1B4DD94976DE",
  "Config": {
    "EnableTwoFactor": true,
    "TwoFactorMethods": [
      "sms"
    ],
    "SkipTwoFactorTime": 1
  }
}

Error codes

HTTP status code	Error code	Error message	Description
400	InvalidParameter	The argument is invalid.	The argument is invalid.
500	InternalError	An unknown error occurred.	An unknown error occurred.

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