AlphaShield 8800 user manual AlphaGIGABIT Secure Wireless Router, Version, Page

AlphaGIGABIT Secure Wireless Router 8800

Graphical user interface – GUI

H.323 – A standard that provides consistency of voice and video transmissions and compatibility for videoconferencing devices Half-duplex – Data cannot be transmitted and received at the same time

Hashing – Transforming a string of characters into a shorter string with a prede?ned length

Hexadecimal – Characters 0-9 and A-F

HomePNA – Networking over telephone lines

Home R.F. – Networking standard that combines 802.11b and DECT (Digital Enhanced Cordless Telecommunication) that provides speeds up to 1.6 Mbps and a distance of 150 ft using a Frequency Hopping transmission method

Hop – The action of data packets being transmitted from one router to another

Host – Computer on a network

HTTP – Hypertext Transfer Protocol is used to transfer ?les from HTTP servers (web servers) to HTTP clients (web browsers) HTTPS – HTTP over SSL is used to encrypt and decrypt HTTP transmissions

Hub – A networking device that connects multiple devices together

ICMP – Internet Control Message Protocol

IEEE – Institute of Electrical and Electronics Engineers

IETF – Internet Engineering Task Force

IGMP – Internet Group Management Protocol is used to make sure that computers can report their multicast group membership to adjacent routers IIS – Internet Information Server is a WEB server and FTP server provided by Microsoft

IKE – Internet Key Exchange is used to ensure security for VPN connections

Infrastructure – In terms of a wireless network, this is when wireless clients use an Access Point to gain access to the network Internet – A system of worldwide networks which use TCP/IP to allow for resources to be accessed from computers around the world Internet Explorer – A World Wide Web browser created and provided by Microsoft

Internet Protocol – The method of transferring data from one computer to another on the Internet

Internet Protocol Security – IPSec provides security at the packet processing layer of network communication

Internet Service Provider – An ISP provides access to the Internet to individuals or companies

Interoperability – The ability for products to interact with other products without much customer interaction

Intranet – A private network

Intrusion Detection – A type of security that scans a network to detect attacks coming from inside and outside of the network

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