Apple Mac OS X Server (Administrator’s Guide) - Manual (Page 583)

Glossary 583
dynamic IP address An IP address that is assigned for a limited period of time or until the
client computer no longer needs the IP address.
everyone Any user who can log in to a file server: a registered user or guest, an
anonymous FTP user, or a Web site visitor.
export
The Network File System (NFS) term for sharing.
F, G
filter A “screening” method used to control access to your server. A filter is made up of
an IP address and a subnet mask, and sometimes a port number and access type. The IP
address and the subnet mask together determine the range of IP addresses to which the
filter applies.
firewall
Software that protects the network applications running on your server. IP Firewall
service, which is part of Mac OS X Server software, scans incoming IP packets and rejects or
accepts these packets based on a set of filters you create.
FTP (File Transfer Protocol) A protocol that allows computers to transfer files over a
network. FTP clients using any operating system that supports FTP can connect to a file
server and download files, depending on their access privileges. Most Internet browsers and
a number of freeware applications can be used to access an FTP server.
group A collection of users who have similar needs. Groups simplify the administration of
shared resources.
group directory
A directory that organizes documents and applications of special interest
to group members and allows group members to pass information back and forth among
them.
guest computer An unknown computer that is not included in a computer account on
your server.
guest user A user who can log in to your server without a user name or password.
H
home directory
A folder for a user’s personal use. Mac OS X also uses the home directory,
for example, to store system preferences and managed user settings for MacOS X users.
HTML (Hypertext Markup Language) The set of symbols or codes inserted in a file to
be displayed on a World Wide Web browser page. The markup tells the Web browser how to
display a Web page’s words and images for the user.
HTTP (Hypertext Transfer Protocol) An application protocol that defines the set of
rules for linking and exchanging files on the World Wide Web.