HTTP/1.1 401 Unauthorized
Content-Length: 0
WWW-Authenticate: Digest realm="DSLForum CPE Management", algorithm=MD5, qop=auth, stale=FALSE, nonce="9ce25d2962d2a014ef0d702eae8d4547", opaque="5ccc069c403ebaf9f0171e9517f40e41"

HTTP/1.1 401 Unauthorized
Connection: Keep-Alive
WWW-Authenticate: Digest realm="HuaweiHomeGateway",nonce="9018301bc20205e569efe05b3119ba98", qop="auth", algorithm="MD5"
Content-Length: 0