Apple Xserve Up Mac OS X Server Specifications download pdf (Page 313)

Glossary 313

NetBIOS Network Basic Input/Output System. A program that allows applications on

different computers to communicate within a local area network.

NetBoot server A Mac OS X server on which you’ve installed NetBoot software and

have configured to allow clients to start up from disk images on the server.

Network File System See NFS.

NFS Network File System. A client/server protocol that uses Internet Protocol (IP) to

allow remote users to access files as though they were local. NFS exports shared

volumes to computers based on IP address, rather than user name and password.

nfsd daemon An NFS server process that runs continuously behind the scenes and

processes read and write requests from clients. The more daemons that are available,

the more concurrent clients can be served.

Open Directory master A server that provides LDAP directory service, Kerberos

authentication service, and Open Directory Password Server.

Open Directory password A password that’s stored in secure databases on the server

and can be authenticated using Open Directory Password Server or Kerberos (if

Kerberos is available).

Open Directory Password Server An authentication service that validates passwords

using a variety of conventional authentication methods required by the different

services of Mac OS X Server. The authentication methods include APOP, CRAM-MD5,

DHX, LAN Manager, NTLMv1, NTLMv2, and WebDAV-Digest.

open relay A server that receives and automatically forwards mail to another server.

Junk mail senders exploit open relay servers to avoid having their own mail servers

blacklisted as sources of junk mail.

Open Relay Behavior-modification System See ORBS.

ORBS Open Relay Behavior-modification System. An Internet service that blacklists

mail servers known to be or suspected of being open relays for senders of junk mail.

ORBS servers are also known as black hole servers.

owner The owner of an item can change access permissions to the item. The owner

may also change the group entry to any group the owner is a member of. By default,

the owner has Read & Write permissions.

parent A computer whose shared directory domain provides configuration

information to another computer.

password An alphanumeric string used to authenticate the identity of a user or to

authorize access to files or services.

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Apple Xserve Up Mac OS X Server Specifications Page 313