Introduction to Directories and LDAP

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Accessing an LDAP-based directory is accomplished by using a combination of DN, filter, and scope...

• a base DN indicates where in the hierarchy to begin the search
  
  
• a filter specifies attribute types, assertion values, and matching criteria
  
  
• scope indicates what to search:
  
  • the base DN itself
  • one level below the base DN
  • the entire subtree rooted at the base DN