GET /./?X-Amz-Algorithm=AWS4-ECDSA-P256-SHA256&X-Amz-Credential=AKIDEXAMPLE%2F20150830%2Fservice%2Faws4_request&X-Amz-Date=20150830T123600Z&X-Amz-SignedHeaders=host&X-Amz-Expires=3600&X-Amz-Region-Set=us-east-1&X-Amz-Signature=304502210089daa43b189bd9fba8fc67a3b03b4dce6e29e0aff0bd40a6ce7df7e0c8f890e1022016592a48b323a176064eecf203863be8e3de057d3ff0d7736c121a9cf88ccb85 HTTP/1.1
Host:example.amazonaws.com