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Glossary of Terms -
With special thanks to all of our contributors.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Hacking is the unauthorised access to any computer system. Hackers are those who access computers and networks without authorisation.
A Hard Disk is a high capacity disk drive used to store software, applications and the data and files created when working.
Hardware describes the physical components of a computer system, including any peripheral equipment such as monitors, printers, modems, keyboards, and mouse devices.
High Availability (HA) Firewalling
High Availability (HA) provides a solution for two key requirements of critical enterprise networking components: enhanced reliability and increased performance.
HA usually consists of two or more units operating as a HA cluster or pair. To the network, the HA cluster appears to function as a single unit, processing network traffic and providing normal security services such as firewall protection, VPN, etc.
Inside the cluster the individual cluster units share state and configuration information. If one cluster unit fails, the other units in the cluster automatically replace that unit, taking over the work that the failed unit was doing. The cluster continues to process network traffic and provide normal services with virtually no interruption.
The ability of an HA cluster to continue providing firewall services after a failure, is called failover. HA failover means that your network does not have to rely on one unit to continue functioning.
A second HA feature, called load balancing, can be used to increase firewall performance. A cluster of units can increase overall network performance by sharing the load of processing network traffic and providing security services. The cluster appears to your network to be a single device, adding increased performance without changing your network configuration.
Looking for a HA Firewall solution? Contact us today to discuss the Fortinet FortiGate solutions available.
As used in reference to the World Wide Web, hit means a single request from a web browser for a single item from a web server; thus in order for a web browser to display a page that contains 3 graphics, 4 hits would occur at the server: 1 for the HTML page, and one for each of the 3 graphics.
Several meanings. Originally, the web page that your browser is set to use when it
starts up. The more common meaning refers to the main web page for a business, organization,
person or simply the main page out of a collection of web pages, e.g. "Check out
so-
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 SMTP (email) and HTTP (web).
HTML is an abbreviation that stands for Hypertext Markup Language. HTML is the language that is used to create and display hypertext documents which form the basis for World Wide Web pages on the Internet. HTML pages are linked one to another by hyperlinks. HTML pages are portable from one platform to another as they are simple ASCII text documents. HTML documents and pages on the Internet can be identified by the file extension .htm or .html
HTTP (HyperText Transfer Protocol)
The protocol for moving hypertext files across the Internet. Requires a HTTP client program on one end, and an HTTP server program (such as Apache) on the other end. HTTP is the most important protocol used in the World Wide Web (WWW).
Hyperlinks are coloured and underlined text or a graphic that you click to go to a file, a location in a file, an HTML page on the World Wide Web, or an HTML page on an intranet. Hyperlinks can also go to newsgroups and to Gopher, Telnet, and FTP sites.
Generally, any text that contains links to other documents -
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