RTSP/1.0 401 Unauthorized
Server: Rtsp Server/2.0
CSeq: 1
WWW-Authenticate: Basic realm="RtspSever2.0"

HTTP/1.1 404 Not Found
SERVER: Linux/3.0.8, UPnP/1.0, ZheJiang Dahua Technology CO.,LTD. Upnp SDK
CONNECTION: close
CONTENT-LENGTH: 48
CONTENT-TYPE: text/html