Server User Manual

Glossary
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permission In the context of access control, permission states whether access to
the directory information is granted or denied and the level of access
that is granted or denied.
See Also access rights.
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.
read-only replica A replica that refers all update operations to read-write replicas. A
server can hold any number of read-only replicas.
read-write replica A replica that contains a master copy of directory information and can
be updated. A server can hold any number of read-write replicas.