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    Web Application Firewall:ModifyDomainCert

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    Web Application Firewall:ModifyDomainCert

    Last Updated:Oct 30, 2025

    Modifies the certificate for a domain name.

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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
    InstanceId

    string

    Yes

    The ID of the Web Application Firewall (WAF) instance.

    Note

    Call DescribeInstance to query the ID of the current WAF instance.

    waf_v2_public_cn-ww**b06
    Domain

    string

    Yes

    The domain name.

    www.example.com
    CertId

    string

    Yes

    The ID of the certificate.

    123-cn-hangzhou
    TLSVersion

    string

    No

    The Transport Layer Security (TLS) version. Valid values:

    • tlsv1

    • tlsv1.1

    • tlsv1.2

    tlsv1
    CipherSuite

    string

    No

    The type of the cipher suite. Valid values:

    • 1: all cipher suites.

    • 2: strong cipher suites.

    • 99: custom cipher suites.

    1
    CustomCiphers

    array

    No

    The custom cipher suites. This parameter is available only when you set CipherSuite to 99.

    string

    No

    A custom cipher suite.

    ECDHE-ECDSA-AES256-SHA384
    EnableTLSv3

    boolean

    No

    Specifies whether to enable TLS 1.3. Valid values:

    • true: enables TLS 1.3.

    • false: disables TLS 1.3.

    false
    RegionId

    string

    Yes

    The region where the WAF instance resides. 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 schema.

    RequestId

    string

    The ID of the request.

    03E3B4DD-2BE7-5D9D-80E8-***

    Examples

    Success response

    JSON format

    {
  "RequestId": "03E3B4DD-2BE7-5D9D-80E8-***"
}

    Error codes

    HTTP status code

    Error code

    Error message

    Description
    400 Waf.Pullin.MustListenHTTPS The domain name must listen to the HTTPS protocol. Domain:%s.

    See Error Codes for a complete list.

    Release notes

    See Release Notes for a complete list.