anchor.diff:  
   `cache.hash_algo`::   
   (Expert Setting) The hashing algorithm that is used for the in-memory cached 
  -user credentials. See the <<cache-hash-algo,Cache hash algorithms>> table f
  -or all possible values. Defaults to `ssha256`.
  +user credentials. See the {xpack-ref}/controlling-user-cache.html#controlling-user-cache[Cache hash algorithms] table for
  +all possible values. Defaults to `ssha256`.
   
   [[ref-ldap-settings]]
   [float]
  
positive.code: names and assigned to the user. Defaults to `false`.
  
  `files.role_mapping`::               
  The <<security-files-location,location>> for the <<ldap-role-mapping, 
  YAML role mapping configuration file>>. Defaults to  
  `CONFIG_DIR/x-pack/role_mapping.yml`.
  
  `follow_referrals`::                       
  
negative.code: ----------------------------------------
  
  The valid settings vary depending on the realm type. For more 
  information, see {xpack-ref}/setting-up-authentication.html[Setting Up Authentication].
  
  [float]
  ==== Settings Valid for All Realms
  