SNMP:
  Versions:
    3
  Engineid Format: octets
  Engine Boots: 1
  Engineid Data: 8000040e05f46befd97b5a33
  Enterprise: 1038
  Engine Time: 10 days, 0:42:24

HTTP/1.1 401 Unauthorized
Content-Length: 0
WWW-Authenticate: Digest realm="IgdAuthentication", domain="/", nonce="NmUxZjk2MjA6YTI5NWY1YzA6OTgxMWQ4MDA=", qop="auth", algorithm=MD5