\r\r\n

HTTP/1.1 401 UNAUTHORIZED
Server: box
WWW-Authenticate: Digest qop="auth", realm="pbox", nonce="tick"
Content-Type: text/html
Content-Length: 0
Connection: keep-alive

RTSP/1.0 200 OK
CSeq: 1
Server: Server Version 9.0.6
Public: OPTIONS, DESCRIBE, PLAY, SETUP, SET_PARAMETER, GET_PARAMETER, TEARDOWN

HTTP/1.1 401 UNAUTHORIZED
Server: box
WWW-Authenticate: Digest qop="auth", realm="pbox", nonce="tick"
Content-Type: text/html
Content-Length: 0
Connection: keep-alive

RTSP/1.0 200 OK
CSeq: 1
Server: Server Version 9.0.6
Public: OPTIONS, DESCRIBE, PLAY, SETUP, SET_PARAMETER, GET_PARAMETER, TEARDOWN