134 Glossary
connection | A method of data exchange that allows a reliable |
| transfer of data between two computers. |
connection attempt | The data transfer that requests the opening of a |
| connection. |
cookie | A small data file that some Web sites place on your |
| hard disk while you’re viewing a Web page. Web |
| servers can use cookies to store your personal |
| information and preferences so that you don’t |
| need to reenter them each time that you visit. |
cracker | A person who cracks code, not necessarily for |
| malicious reasons. Sometimes used to refer to a |
| malicious hacker. |
DHCP (Dynamic Host | A TCP/IP protocol that automatically assigns a |
Configuration | temporary IP address to each device on a network. |
Protocol) |
|
| A hierarchical naming system that translates |
DNS (Domain Name | |
System) | domain names (such as www.symantec.com) into |
| IP addresses (such as 206.204.212.71). |
DNS server (Domain | A computer that keeps a database of domain |
Name System server) | names and their corresponding IP addresses. |
| When a computer sends a domain name to a DNS |
| server, the server returns the IP address for that |
| domain. |
domain | The common address for a single company or |
| organization (such as symantec.com) on the |
| Internet, which might have multiple hosts. |
| To transfer data from one computer to another, |
download | |
| usually over a modem or network. Usually refers |
| to the act of transferring a file from the Internet, a |
| bulletin board system, or an online service to one's |
| own computer. |
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