HEAD                  HTTP://default.example.com HTTP/1.0
Connection:
                Keep-Alive         

HEAD          http://foo.example.com HTTP/1.0
Connection:   Keep-Alive    

HEAD          http:// HTTP/1.0
Connection:   Keep-Alive    

HEAD http://foo.example.com/.. HTTP/1.0
Connection:
                Keep-Alive         

HEAD HTTP://foo.example.com/../ HTTP/1.0
Connection:
                Keep-Alive         

GET  /  HTTP / 1 . 0

