anchor.diff:  Boolean that sets if the topology is kept in Elasticsearch. The default is
   false. This option makes sense only for Packetbeat.
   
  -==== topology_expire
  +===== topology_expire
   
   The time to live in seconds for the topology information that is stored in
   Elasticsearch. The default is 15 seconds.
  +
  +===== cas
  +
  +List of root certificates for HTTPS server verifications. If cas is empty or not
  +set, the trusted certificate authorities of the host system will be employed.
  +
  +===== certificate: "/etc/pki/client/cert.pem"
  +
  +Certificate for TLS client authentication. Both certificate and certificatekey
  +are required.
  +
  +===== certificatekey: "/etc/pki/client/cert.key"
  +
  +Client certificate key. Both certificate and certificatekey are required.
  +
  +===== tlsinsecure
  +
  +Controls whether the client verifies server certificates and host name.
  +If tlsinsecure is set to true, all server host names and certificates will be
  +accepted. In this mode TLS based connections are susceptible to
  +man-in-the-middle attacks. Use only for testing.
  +
   
   [[redis-output]]
   ==== Redis Output
  
positive.code: The index root name where to write events to. The default is `packetbeat` and
  generates `[packetbeat-]YYYY.MM.DD` indexes (e.g. `packetbeat-2015.04.26`).
  
  ==== max_retries
  
  The number of times a particular Elasticsearch index operation is attempted. If
  the indexing operation doesn't succeed after this many retries, the events are
  dropped. The default is 3.
  
  ==== bulk_max_size
  
  The maximum number of events to bulk in a single Elasticsearch bulk API index request.
  The default is 10000.
  
  ==== flush_interval
  
  The number of seconds to wait for new events between two bulk API index requests.
  If `bulk_max_size` is reached before this interval expires, addition bulk index
  
negative.code: 
      # Optional HTTP Path
      path: "/elasticsearch"
  
      # List of root certificates for HTTPS server verifications
      cas: ["/etc/pki/root/ca.pem"]
  
      # Certificate for TLS client authentication
      certificate: "/etc/pki/client/cert.pem"
  
      # Client Certificate Key
      certificatekey: "/etc/pki/client/cert.key"
  
  ------------------------------------------------------------------------------
  
  
  