Glossary of Internet Terms

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Encryption
Encryption is a procedure used in cryptography to convert plain text into ciphertext to prvent any but the intended recipient from reading that data.

Firewall
A firewall is a hardware and/or software boundary that prevents unauthorized users from accessing restricted files on a network.

Finger
A finger is a UNIX command that displays information about a group or user on the Internet.

FTP (File Transfer Protocol)
FTP’s are the most widely used format to uploading and downloading files on an Internet connection. FTP’s are used so computers can share files between each other.

Gopher
A search and retrieval tool for information used mostly for research.

Gopher
A search and retrieval tool for information used mostly for research.

HTML (Hypertext Markup Language)
HTML stands for Hypertext Markup Language. This is the standard method of publishing web documents onto the World Wide Web (WWW). HTML consists of tags surrounded by brackets.

IP (Internet Protocol)
A packet switching protocol that is used as a network layer in the TCP/IP protocol suite.

IP Address (Internet Protocol Address)
Each computer is assigned an IP address. These are similar to phone numbers. When you attempt to connect to an IP address, you will connect to the computer with that IP address.

IRC (Internet Relay Chat)
Internet Relay Chat, or IRC, allows users to chat on different channels over the Internet. IRC channels are preceded by a # sign and are controlled by channel operators. Channel operators can kick people out of the channel if he or she feels necessary.

ISDN (Integrated Services Digital Network)
Integrated Services Digital Network (ISDN) combines digital network services and voice into one. Users can access digital services at 115,200 bps.

ISP (Internet Service Provider)
An organization or company that has a network with a direct link to the Internet. This is done by using a dedicated line connection, usually through a link known as a T1 connection. Users can dial into to that network using their modem. Most ISP’s now charge a monthly fee.

Intranet
An intranet is a local area network(LAN), which may not be connected to the Internet but which has similar functions.

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