Determines whether cookies in viewer requests are included in requests that CloudFront sends to the origin. Valid values are: none – No cookies in viewer requests are included in requests that CloudFront sends to the origin. Even when this field is set to none, any cookies that are listed in a CachePolicy are included in origin requests. whitelist – Only the cookies in viewer requests that are listed in the CookieNames type are included in requests that CloudFront sends to the origin. all – All cookies in viewer requests are included in requests that CloudFront sends to the origin. allExcept – All cookies in viewer requests are included in requests that CloudFront sends to the origin, except for those listed in the CookieNames type, which are not included.