HP UX Red Hat Direry Server Software manual Receives to the authenticating directory server

Glossary

protocol	A set of rules that describes how devices on a network
	exchange information.
protocol data unit	See PDU.
proxy authentication	A special form of authentication where the user requesting
	access to the directory does not bind with its own DN but with a
	proxy DN.
proxy DN	Used with proxied authorization. The proxy DN is the DN of an
	entry that has access permissions to the target on which the
	client-application is attempting to perform an operation.
PTA	Mechanism by which one Directory Server consults another to
	check bind credentials. Also pass-through authentication.
PTA directory server	In pass-through authentication (PTA), the PTA Directory Server
	is the server that sends (passes through) bind requests it
	receives to the authenticating directory server.
PTA LDAP URL	In pass-through authentication, the URL that defines the
	authenticating directory server, pass-through subtree(s), and
	optional parameters.

R

RAM	Random access memory. The physical semiconductor-based
	memory in a computer. Information stored in RAM is lost when
	the computer is shut down.
rc.local	A file on Unix machines that describes programs that are run
	when the machine starts. It is also called /etc/rc.local
	because of its location.
RDN	The name of the actual entry itself, before the entry's ancestors
	have been appended to the string to form the full distinguished
	name. Also relative distinguished name.
referential integrity	Mechanism that ensures that relationships between related
	entries are maintained within the directory.
referral	(1) When a server receives a search or update request from an
	LDAP client that it cannot process, it usually sends back to the
	client a pointer to the LDAP sever that can process the request.
	(2) In the context of replication, when a read-only replica
	receives an update request, it forwards it to the server that
	holds the corresponding read-write replica. This forwarding

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