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Glossary
Public IP address
The public
IP address
address on the Internet. It is assigned by the
ate a link from a LAN to the Internet, such as the Gigaset SX761 dsl, have a public and
a
Private IP
address.
PBX
Private Branch Exchange
PBX is the English acronym for a public branch exchange, which allows connection and
configuration of extensions and telephone functions.
Port
Data is exchanged between two applications in a network across a port. The port
number addresses an application within a network component. The combination of
address/port number uniquely identifies the recipient or sender of a data packet within
a network. Some applications (e.g. Internet services such as HTTP or FTP) work with
fixed port numbers; others are allocated a free port number whenever they need one.
Port forwarding
In port forwarding, the Gigaset SX761 dsl directs data packets from the
addressed to a particular
component. This enables servers within the local network to offer services on the Inter-
net without them needing a
See also:
Virtual server
PPPoA
Point-to-Point Protocol over ATM
PPPoA is a
Protocol
for connecting network components in a local Ethernet network to
the
Internet
via an ATM network.
PPPoE
Point-to-Point Protocol over
PPPoE is a
Protocol
for connecting network components in a local Ethernet network to
the
Internet
via a modem.
Print server
See
Server
Private IP address
The private
IP address
address within the local network (LAN). The network operator can assign any address
he or she wants. Devices that act as a link from a local network, such as the Gigaset
SX761 dsl, have a private and a
108
(also known as the global IP address) is a network component's
Port
to the corresponding port of the appropriate network
Public IP
address.
Ethernet
(also known as the local IP address) is a network component's
Public IP
address.
Internet service
provider. Devices that cre-
IP
Internet
that are
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