Apple Mac OS X Server Print Service Administration For Version 10.4 or Later Manual do Utilizador descarregar pdf (Página 223)

Glossary 223

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.

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 set Read & Write, Read only, or No Access permissions

for Owner; Group; and Others. The owner also can assign ownership of an item to

another user, and Group privileges to another group. By default the owner has Read &

Write permissions.

parent A computer whose shared directory domain provides configuration

information to another computer.

PHP PHP Hypertext Preprocessor (originally Personal Home Page). A scripting

language embedded in HTML that’s used to create dynamic webpages.

POP Post Office Protocol. A protocol for retrieving incoming mail. After a user retrieves

POP mail, it’s stored on the user’s computer and is usually deleted automatically from

the mail server.

predefined accounts User accounts that are created automatically when you install

Mac OS X. Some group accounts are also predefined.

preferences cache A storage place for computer preferences and preferences for

groups associated with that computer. Cached preferences help you manage local user

accounts on portable computers.

presets Initial default attributes you specify for new accounts you create using

Workgroup Manager. You can use presets only during account creation.

primary group A user’s default group. The file system uses the ID of the primary group

when a user accesses a file he or she doesn’t own.

primary group ID A unique number that identifies a primary group.

print queue An orderly waiting area where print jobs wait until a printer is available.

The print service in Mac OS X Server uses print queues on the server to facilitate

management.

privileges The right to access restricted areas of a system or perform certain tasks

(such as management tasks) in the system.

proxy server A server that sits between a client application, such as a web browser,

and a real server. The proxy server intercepts all requests to the real server to see if it

can fulfill the requests itself. If not, it forwards the request to the real server.

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Apple Mac OS X Server Print Service Administration For Version 10.4 or Later Manual do Utilizador Página 223