It is also possible to change {HEAD ~ the authentication schemes} associated with a request by simply changing {TAIL ~ the protect string} 
It is also possible to change { HEAD ~ the authentication schemes } associated with a request by simply changing { TAIL ~ the protect string }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL