Additionally, a 401 Authorization Required requested. Either you supplied the wrong 401 Authorization Required error was encountered while trying to use an ErrorDocument to handle the request.

Authorization Required

are authorized to access the document
Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/1.0.1e-fips mod_bwlimited/1.4 Server at Port 80
the credentials required.

browser doesn't understand how to supply

This server could not verify that you