Apache/2.2.27 (Unix) mod_ssl/2.2.27 OpenSSL/1.0.1e-fips mod_bwlimited/1.4 Server at www.wojciechmarzec.pl Port 80
browser doesn't understand how to supply requested. Either you supplied the wrong

Additionally, a 401 Authorization Required are authorized to access the document

Authorization Required

credentials (e.g., bad password), or your the credentials required.

This server could not verify that you 401 Authorization Required error was encountered while trying to use an ErrorDocument to handle the request.