CloudFront > Structures > OriginMtlsConfig OriginMtlsConfig¶ Structure Class¶ OriginMtlsConfig dataclass ¶ Bases: _SerdeShape Configures mutual TLS authentication between CloudFront and your origin server. Attributes¶ client_certificate_arn instance-attribute ¶ client_certificate_arn: str The Amazon Resource Name (ARN) of the client certificate stored in Amazon Web Services Certificate Manager (ACM) that CloudFront uses to authenticate with your origin using Mutual TLS.