Use this element to specify the protocol that users can use to access the files in the origin specified by TargetOriginId when a request matches the path pattern in PathPattern. If you want CloudFront to allow end users to use any available protocol, specify allow-all. If you want CloudFront to require HTTPS, specify https.

Constraints:

Allowed Values

allow-all, https-only

public string ViewerProtocolPolicy { get; set; }