SNMP:
  Versions:
    3
  Engine Boots: 2
  Engineid Data: 80001f8880b8b7256726000000
  Enterprise: 8072
  Engine Time: 5:04:26

HTTP/1.1 401 Unauthorized
Content-Length: 0
WWW-Authenticate: Digest realm="IgdAuthentication", domain="/", nonce="Yzg5N2E4NWU6ZDcwOTI1NzA6YjZhODg3YzM=", qop="auth", algorithm=MD5, opaque="5ccc09c403ebaf9f0171e9517f40e41"