ZyXEL Communications A-6000 manual Ftp, Hdlc, Http, Iana, Icmp, Ipcp PPP, Ipx, Irc

	A-6000 High Speed, Long Range Ethernet Wireless Bridge
Flash memory	The nonvolatile storage that can be electrically erased and reprogrammed so
	that data can be stored, booted, and rewritten as necessary.
FTP	File Transfer Protocol is an Internet file transfer service that operates on the
	Internet and over TCP/IP networks. FTP is basically a client/server protocol in
	which a system running the FTP server accepts commands from a system
	running an FTP client. The service allows users to send commands to the
	server for uploading and downloading files. FTP is popular on the Internet
	because it allows for speedy transfer of large files between two systems.
Gateway	A gateway is a computer system or other device that acts as a translator
	between two systems that do not use the same communication protocols, data
	formatting structures, languages, and/or architecture.
Hacker	Generally, a hacker is anyone who enjoys experimenting with technology
	including computers and networks. Not all hackers are criminals breaking into
	systems. Some are legitimate users and hobbyists. Nevertheless, some are
	dedicated criminals or vandals.
HDLC	HDLC (High-level Data Link Control) is a bit-oriented (the data is monitored bit
	by bit), link layer protocol for the transmission of data over synchronous
	networks.
Host	Any computer on a network that is a repository for services available to other
	computers on the network. It is quite common to have one host machine provide
	several services, such as WWW and USENET.
HTTP	Hyper Text Transfer Protocol. The most common protocol used on the Internet.
	HTTP is the primary protocol used for web sites and web browsers. It is also
	prone to certain kinds of attacks.
IANA	Internet Assigned Number Authority acts as the clearinghouse to assign and
	coordinate the use of numerous Internet protocol parameters such as Internet
	addresses, domain names, protocol numbers, and more. The IANA Web site is
	at http://www.isi.edu/iana.
ICMP	Internet Control Message Protocol is a message control and error-reporting
	protocol between a host server and a gateway to the Internet. ICMP uses
	Internet Protocol (IP) datagrams, but the messages are processed by the
	TCP/IP software and are not directly apparent to the application user.
Integrity	Proof that the data is the same as originally intended. Unauthorized software or
	people have not altered the original information.
internet	(Lower case i) Any time you connect 2 or more networks together, you have an
	internet.
Internet	(Upper case I) The vast collection of inter-connected networks that all use the
	TCP/IP protocols and that evolved from the ARPANET of the late 60’s and early
	70’s. The Internet now (July 1995) connects roughly 60,000 independent
	networks into a vast global internet
Internet Worm	See Worm.
Intranet	A private network inside a company or organization that uses the same kinds of
	software that you would find on the public Internet, but that is only for internal
	use.
Intruder	Person or software interested in breaking computer security to access, modify,
	or damage data. Also see Cracker.
IP	Internet Protocol, is the underlying protocol for routing packets on the Internet
	and other TCP/IP-based networks.
IPCP (PPP)	IP Control Protocol allows changes to IP parameters such as the IP address.
IPX	Internetwork Packet eXchange The native NetWare internetworking protocol is
	IPX (Internetwork Packet Exchange). Like IP (Internet Protocol), IPX is an
	internetworking protocol that provides datagram services.
IRC	Internet Relay Chat. IRC was developed in the late 1980s as a way for multiple
	users on a system to “chat” over the network. Today IRC is a very popular way
	to “talk” in real time with other people on the Internet. However, IRC is also one
	avenue hackers use to get information from you about your system and your
	company. Moreover, IRC sessions are prone to numerous attacks that while not

CLI commands 5-3