User`s manual

Appendix F Glossary
116
KEYWORD EXPLANATION
system. The user’s name and password are sent over the wire to a
server there they are compared with a database of user account
names and password. This technical is vulnerable to wiretapping
(eavesdropping) because the password can be captured and used
by someone to log onto the system.
Port
An Internet port refers to a number that is part of a URL, appearing
after a colon (:) right after the domain name, Every service on an
Internet server listens on a particular port number on that server.
Most services have standard port numbers, e.g., Web servers
normally listen on port 80.
Port (H/W)
An interface on a computer for connecting peripherals or device to
the computer. A printer port, for example, is an interface that is
designed to have a printer connected to it. Ports can be defined by
specific hardware.
POTS
Plain Old Telephone Service is the analog telephone service that
runs over copper twisted-pair wires and is based on the original Bell
telephone system. Twisted-pair wires connect homes and
businesses to a neighborhood central office. This is called the local
loop. The central loop. The central office is connected to other
central offices and long-distance facilities.
PPP
Point to point. PPP encapsulates and transmits IP (Internet protocol)
data-gram over serial point-to-point links. PPP works with other
protocol such as IPX (Internet work Packet Exchange).
RIP
Routing Information Protocol is an interior or intra-domain routing
protocol that uses the distance-vector routing algorithms. RIP is
used on the Internet and is common in the NetWare environment as
a method for exchange routing information between routers.
Router
A device that connects two networks together. Routers monitor,
direct and filter information that passes between these networks.
Because of their location, routers are a good place to install traffic or
mail filter. Routers are also prone to attacks because they contain a
great deal of information about a network.
Server
A computer, or a software package, that provides a specific kind of
service to client software running on the computers.
SNMP
System Network Management Protocol is a popular management
protocol defined by the Internet community for TCP/IP networks. It is
a communication protocol for collecting information from device on