Critical Reasons to Use LDAP Proxy
There are quite a number of reasons on why you should use LDAP proxy server to run LDAP queries which will allow you to ask LDAP server for information according to search criteria. The first reason is to develop a consolidated view of the internal resources of LDAP directory.
Another reason would be to provide failover and load balanced access to the resources of you directory. It could also be for the reason that you have to manage secure access from the external to internal users or partner resources of your LDAP directory. Most organizations employ LDAP firewall because it enables them to manage a more secured and controlled access from the external parties to internal resources of LDAP directory.