Apple Mac OS X Server (Administrator’s Guide) - Manual (Page 587)

Glossary 587
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 Server
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.
privileges Settings that define the kind of access users have to shared items. You can
assign four types of privileges to a share point, folder, or file: read and write, read only, write
only, and none (no access).
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.
QTSS (QuickTime Streaming Server)
A technology that lets you deliver media over the
Internet in real time.
R
realm See WebDAV realm.
relay point See open relay.
Rendezvous A protocol developed by Apple for automatic discovery of computers,
devices, and services on IP networks.
RTP (Real-Time Transport Protocol) An end-to-end network-transport protocol
suitable for applications transmitting real-time data (such as audio, video, or simulation data)
over multicast or unicast network services.
RTSP (Real Time Streaming Protocol) An application-level protocol for controlling the
delivery of data with real-time properties. RTSP provides an extensible framework to enable
controlled, on-demand delivery of real-time data, such as audio and video. Sources of data can
include both live data feeds and stored clips.
S
scope A group of services. A scope can be a logical grouping of computers, such as all
computers used by the production department, or a physical grouping, such as all computers
located on the first floor. You can define a scope as part or all of your network.
SDP (Session Description Protocol)
A file used with QuickTime Streaming Server that
provides information about the format, timing, and authorship of a live streaming broadcast.
search path See search policy.