anchor.diff:  }'
   ----------------------------------------------------------
   // NOTCONSOLE
  +--
   
   [[enable-message-authentication]]
   . Enable message authentication to verify that messages are not tampered with or corrupted in transit:
  
positive.code: }'
  ----------------------------------------------------------
  // NOTCONSOLE
  +
  NOTE: The default password for the `elastic` user is `changeme`.
  
  . Set up roles and users to control access to Elasticsearch and Kibana.
  For example, to grant _John Doe_ full access to all indices that match
  
negative.code: for those indices in Kibana, you could create an `events_admin` role and
  and assign the role to a new `johndoe` user.
  +
  --
  [source,shell]
  ----------------------------------------------------------
  curl -XPOST -u elastic 'localhost:9200/_xpack/security/role/events_admin' -H "Content-Type: application/json" -d '{
  