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APPENDIX G GLOSSARY
248 8E6 TECHNOLOGIES, R3000 ENTERPRISE FILTER AUTHENTICATION USER GUIDE
directory service - Uses a directory on a server to auto-
mate administrative tasks for storing and managing objects
on a network (such as users, passwords, and network
resources users can access). ADS, DNS, and NDS (Novell
Directory Services) are types of directory services.
Distinguished Name (DN) - A string of “cn” and “dc”
attribute types comprised of the username and group name,
domain name, and DNS suffix. For example:
“cn=admin_user, cn=admin, dc=yahoo, dc=com”. The “ou”
attribute type also could be a part of the DN. For example:
“cn=Joe Smith, ou=users, ou=sales, dc=acme, dc=com”.
DNS - Domain Name Service is a distributed Internet direc-
tory service. DNS is used mostly for making translations
between domain names and IP addresses.
domain - An entity on a network comprised of servers,
workstations, and peripherals.
domain component (dc) - An attribute type entered for a
domain name and DNS suffix when using LDAP.
domain controller - An authentication server that answers
logon requests from workstations in a Windows NT domain.
There are two types of domain controller servers: Primary
Domain Controller (PDC) and Backup Domain Controller
(BDC).
entry - A collection of attribute types that comprise a Distin-
guished Name (DN). Each attribute type of the Distin-
guished Name has a type and one or more values. These
types are mnemonic strings, such as "cn" for common
name, "dc" for domain component, or “ou” for organizational
unit.
filter setting - A setting made for a service port. A service
port with a filter setting uses filter settings created for library
categories (block or open settings) to determine whether
users should be denied or allowed access to that port.