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    Web Application Firewall:ModifyCloudResourceDefaultCert

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    Web Application Firewall:ModifyCloudResourceDefaultCert

    Last Updated:Mar 12, 2026

    Modifies the default certificate for cloud native mode.

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    Try this API in OpenAPI Explorer, no manual signing needed. Successful calls auto-generate SDK code matching your parameters. Download it with built-in credential security for local usage.

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    RAM authorization

    No authorization for this operation. If you encounter issues with this operation, contact technical support.

    Request syntax

    POST  HTTP/1.1

    Request parameters

    Parameter

    Type

    Required

    Description

    Example
    ResourceManagerResourceGroupId

    string

    No

    The ID of the Alibaba Cloud resource group.

    rg-acfm***q
    InstanceId

    string

    Yes

    The ID of the WAF instance.

    Note

    Call DescribeInstance to query the ID of the WAF instance.

    waf_v3prepaid_public_cn-kf74****
    CloudResourceId

    string

    Yes

    The ID of the connected cloud resource. WAF generates this ID automatically when you connect a cloud resource.

    Note

    After you connect a resource using CreateCloudResource, check the response to get the resource ID.

    lb-***-80-clb7
    CertId

    string

    Yes

    The ID of the certificate.

    123-cn-hangzhou
    RegionId

    string

    Yes

    The region where the WAF instance is deployed. Valid values:

    • cn-hangzhou: the Chinese mainland

    • ap-southeast-1: outside the Chinese mainland

    cn-hangzhou

    Response elements

    Element

    Type

    Description

    Example

    object

    The response.

    RequestId

    string

    The request ID.

    D7861F61-5B61-46CE-A47C-***

    Examples

    Success response

    JSON format

    {
  "RequestId": "D7861F61-5B61-46CE-A47C-***"
}

    Error codes

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.