Book Image

CentOS System Administration Essentials

Book Image

CentOS System Administration Essentials

Overview of this book

Table of Contents (18 chapters)
CentOS System Administration Essentials
About the Author
About the Reviewers

LDAP concepts

LDAP stands for Lightweight Directory Access Protocol; as the name suggests, it began as a client-server protocol used to access a directory, but there was so little development in directories that it soon took on the entire role of a directory server. If we break a directory down, the Directory Access Protocol (DAP) is just one small part of the many pieces of an LDAP server:

  • Directory Information Database (DIB): This is the database where the directory is stored

  • Directory Information Tree (DIT): This is the hierarchical organization that represents entries in the DIB, organizations, organizational units, and so on

  • Directory System Protocol (DSP): This represents the server to server communication

  • Directory Access Protocol (DAP): This represents the client-to-server communication

  • Directory Server Agent (DSA): This is the server software

  • Directory User Agent (DUA): This is the client software

  • Directory Information Shadowing Protocol (DISP): This is the replication of the directory...