Glossary
112
See Also
access rights
.
PDU
Encoded messages which form the basis of data exchanges between
SNMP devices. Also
protocol data unit
.
pointer CoS
A pointer CoS identifies the template entry using the template DN
only.
presence index
Allows searches for entries that contain a specific indexed attribute.
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.
