Oracle Database Advanced Security 10g Release 1, Руководство администратора

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Glossary-9
domain
Any tree or subtree within the Domain Name System (DNS) namespace. Domain
most commonly refers to a group of computers whose host names share a common
suffix, the domain name.
Domain Name System (DNS)
A system for naming computers and network services that is organized into a
hierarchy of
domain s
. DNS is used in TCP/IP networks to locate computers
through user-friendly names. DNS resolves a friendly name into an IP address,
which is understood by computers.
In Oracle Net Services , DNS translates the host name in a TCP/IP address into an
IP address.
encrypted text
Text that has been encrypted, using an encryption algorithm; the output stream of
an encryption process. On its face, it is not readable or decipherable, without first
being subject to
decryption . Also called ciphertext . Encrypted text ultimately
originates as
plaintext
.
encryption
The process of disguising a message rendering it unreadable to any but the
intended recipient.
enterprise domain
A directory construct that consists of a group of databases and enterprise role s . A
database should only exist in one enterprise domain at any time. Enterprise
domains are different from Windows 2000 domains, which are collections of
computers that share a common directory database.
Enterprise Domain Administrator
User authorized to manage a specific enterprise domain , including the authority to
add new enterprise domain administrators.
enterprise role
Access privileges assigned to enterprise user s . A set of Oracle role-based
authorization s across one or more databases in an enterprise domain . Enterprise
roles are stored in the directory and contain one or more
global role s
.