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214
Glossary
extension
FAT (file allocation
table)
file type
Finder
firewall rule
fragmented
fragmented IP
packet
FTP (File Transfer
Protocol)
hidden attribute
host name
The three-letter ending on a file name that associates
the file with an activity or program. Examples include
.txt (text) and .exe (executable program).
A system table (used primarily by DOS and Windows
9x/Me) that organizes the exact location of the files
on the hard drive.
A code that associates the file with a program or
activity, often appearing as the file name extension,
such as .txt or .jpeg.
The program that manages your Macintosh disk and
file activity and display.
Parameters that define how a firewall reacts to
specific data or network communications. A firewall
rule usually contains a data pattern and an action to
take if the pattern is found.
When the data that makes up a file is stored in
noncontiguous clusters across a disk. A fragmented
file takes longer to read from the disk than an
unfragmented file.
An IP packet that has been split into parts. Packets
are fragmented if they exceed a network's maximum
packet size, but malicious users also fragment them
to hide Internet attacks.
An application protocol used for transferring files
between computers over TCP/IP networks such as
the Internet.
A file attribute that makes files harder to access and
more difficult to delete than other files. It also
prevents them from appearing in a DOS or Windows
directory list.
The name by which most users refer to a Web site. For
example, www.symantec.com is the host name for the
Symantec Web site. Host names are translated to IP
addresses by the DNS.
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