Red Hat 8.1 User Manual

Page 254

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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

.

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.

254

Glossary

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