HEAD /files/lib/http/xhr.js HTTP/1.1
Date: Thu, 08 Dec 2016 13:00:22 GMT
x-amz-content-sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Host: 127.0.0.1
x-amz-date: 20161208T130022Z
Authorization: AWS4-HMAC-SHA256 Credential=123/20161208/us-east-1/s3/aws4_request,SignedHeaders=date;host;x-amz-content-sha256;x-amz-date,Signature=77dbc0d349ce28336e46a95528635c17a9afc5711e16a7611fb16a98381aa5b0
Connection: Keep-Alive
User-Agent: Cyberduck/5.2.2.21483 (Mac OS X/10.12.1) (x86_64)

