Apple Mac OS X Server Version 10.4 or Later Manual do Utilizador descarregar pdf (Página 102)

102 Glossary

bit A single piece of information, with a value of either 0 or 1.

byte A basic unit of measure for data, equal to eight bits (or binary digits).

canonical name The “real” name of a server when you’ve given it a “nickname” or alias.

For example, mail.apple.com might have a canonical name of MailSrv473.apple.com.

certificate Sometimes called an “identity certificate” or “public key certificate.” A file in

a specific format (Mac OS X Server uses the x.509 format) that contains the public key

half of a public-private keypair, the user’s identity information such as name and

contact information, and the digital signature or either a Certificate Authority (CA) or the

key user.

Certificate Authority An authority that issues and manages digital certificates in order

to ensure secure transmission of data on a public network. See also public key

infrastructure and certificate.

certification authority See Certificate Authority.

character A synonym for byte.

cleartext Data that hasn’t been encrypted.

client A computer (or a user of the computer) that requests data or services from

another computer, or server.

command line The text you type at a shell prompt when using a command-line

interface.

command-line interface A way of interfacing with the computer (for example, to run

programs or modify file system permissions) by entering text commands at a shell

prompt.

computer name The default name used for SLP and SMB/CIFS service registrations.

The Network Browser in the Finder uses SLP to find computers advertising Personal File

Sharing and Windows File Sharing. It can be set to bridge subnets depending on the

network router settings. When you turn on Personal File Sharing, users see the

computer name in the Connect To Server dialog in the Finder. Initially it is “<first

created user>’s Computer” (for example, “John’s Computer”) but can be changed to

anything. The computer name is used for browsing for network file servers, print

queues, Bluetooth discovery, Apple Remote Desktop clients, and any other network

resource that identifies computers by computer name rather than network address. The

computer name is also the basis for the default local hostname.

cracker A malicious user who tries to gain unauthorized access to a computer system

in order to disrupt computers and networks or steal information. Compare to hacker.

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Apple Mac OS X Server Version 10.4 or Later Manual do Utilizador Página 102