What is LDAP? Some Basics…
Normally, in this present scenario there is only one DNS server that does both jobs of receiving queries from workstations and also serves as the trustworthy source for the responses.
Having this type of web server will reduce the requirement to have a host file on each system for your LAN. During the installation you will be asked to provide a domain name which is not visible to the outside world like the private IP address ranges you use on a LAN.
A DNS server will be reliable for the internal private domain and also can be reliable or dependable for multiple domains. LDAP, short for the Lightweight Directory Access Protocol, now is preferred way to manage the centralized user accounts.
How LDAP work?
LDAP directory service is totally based on the client server model. One and more of LDAP servers have data making up LDAP directory tree and LDAP backend database.
The LDAP client also connects to the LDAP server as well as asks that question. Server responds with answer, and with the pointer to where client will get more and more information (generally, other LDAP server). Doesn’t matter what the LDAP server client connects to, and it sees same view of directory; the name presented to LDAP server references same entry it will at other LDAP server. It is the important feature of global directory service, such as LDAP.
LDAP’s purpose is describing how the directory data must get presented as well as how it must travel across the networks. The LDAP servers generally allow the information to get read quickly at an expense of the writing. Basic functionality of the LDAP server is same to database, however more like the database made for the fast reads of static information.
The passwords & groups are very good examples of the static information, which has to be read fast. OpenLDAP is the free program implementation of LDAP protocol.