Server User Manual

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NIS Network Information Service. A system of programs and data
files that Unix machines use to collect, collate, and share specific
information about machines, users, filesystems, and network
parameters throughout a network of computers.
NMS Powerful workstation with one or more network management
applications installed. Also network management station.
ns-slapd Red Hat's LDAP Directory Server daemon or service that is
responsible for all actions of the Directory Server.
See Also slapd.
O
object class Defines an entry type in the directory by defining which attributes are
contained in the entry.
object identifier A string, usually of decimal numbers, that uniquely identifies a
schema element, such as an object class or an attribute, in an object-
oriented system. Object identifiers are assigned by ANSI, IETF or
similar organizations.
See Also OID.
OID See object identifier.
operational attribute Contains information used internally by the directory to keep track of
modifications and subtree properties. Operational attributes are not
returned in response to a search unless explicitly requested.
P
parent access When granted, indicates that users have access to entries below their
own in the directory tree if the bind DN is the parent of the targeted
entry.
pass-through authentication See PTA.
pass-through subtree In pass-through authentication, the PTA directory server will pass
through bind requests to the authenticating directory server from all
clients whose DN is contained in this subtree.
password file A file on Unix machines that stores Unix user login names,
passwords, and user ID numbers. It is also known as /etc/passwd
because of where it is kept.
password policy A set of rules that governs how passwords are used in a given
directory.
PDU Encoded messages which form the basis of data exchanges between
SNMP devices. Also protocol data unit.