NetComm V85 manual Ftp, Ggp, Gre, Http, Icmp, Igmp

	Filtering can be applied in one direction (upstream or down stream),
	or in both directions.
Filtering rule	A rule that specifies what kinds of data a routing device will accept
	and/or reject. Filtering rules are defined to operate on an interface
	(or multiple interfaces) and in a particular direction (upstream,
	downstream, or both).
Firewall	Any method of protecting a computer or LAN connected to the
	Internet from intrusion or attack from the outside. Some firewall
	protection can be provided by packet filtering and Network Address
	Translation services.
FTP	File Transfer Protocol - A program used to transfer files between
	computers connected to the Internet. Common uses include
	uploading new or updated files to a web server, and downloading
	files from a web server.
GGP	Gateway to Gateway Protocol. An Internet protocol that specifies
	how gateway routers communicate with each other.
Gbps	Abbreviation for Gigabits (GIG-uh-bits) per second, or one billion
	bits per second. Internet data rates are often expressed in Gbps.
GRE	Generic Routing Encapsulation. TCP/IP protocol suite, transport
	layer encapsulation protocol.
hop	When you send data through the Internet, it is sent first from your
	computer to a router, and then from one router to another until it
	finally reaches a router that is directly connected to the recipient.
	Each individual “leg” of the data’s journey is called a hop.
Hop count	The number of hops that data has taken on its route to its destination.
	Alternatively, the maximum number of hops that a packet is allowed
	to take before being discarded , See also TTL.
host	A device (usually a computer) connected to a network. HTTP
HTTP	Hyper-Text Transfer Protocol HTTP is the main protocol used to
	transfer data from web sites so that it can be displayed by web
	browsers. See also web browser
ICMP	Internet Control Message Protocol An Internet protocol used to
	report errors and other network-related information. The ping
	command makes use of ICMP.
IGMP	Internet Group Management Protocol An Internet protocol that
	enables a computer to share information about its membership
	in multicast groups with adjacent routers. A multicast group of
	computers is one whose members have designated as interested in
	receiving specific content from the others. Multicasting to an IGMP
	group can be used to simultaneously update the address books of a
	group of mobile computer users or to send company newsletters to a
	distribution list.

V85 Desktop VoIP Phone User Guide	51
YML772 Rev1