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Barracuda Email Security Gateway

Glossary

Gb

A gigabit, or 10^9 bits.

GB 

A gigabyte, or 10^9 bytes, or 8000 million bits.

GHz
  • Also known as: gigahertz

A unit of frequency equal to 10^9 hertz, which is defined as one cycle per second.

Google Accounts Enforcement

Integration of Google Accounts, for example in authentication processes.

Google App Engine

A service that enables developers to create and run web applications on Google's infrastructure and share their applications via a pay-as-you-go, consumption-based plan with no setup costs or recurring fees.

guest access

Feature that lets you set up a confirmation page or ticketing system to temporarily grant guests access to the network.

H.323

Standard that defines the protocols to provide audio-visual communication sessions on any packet network. H.323 addresses call signaling and control, multimedia transport and control, and bandwidth control for point-to-point and multi-point conferences.

hardware refresh

Barracuda program that allows existing appliance customers with an active Energize Updates subscription to migrate to the latest hardware platforms at a reduced price -- ensuring customers benefit from the latest hardware improvements and firmware capabilities.

HIPAA

The Health Insurance Portability and Accountability Act of 1996, gives patients in the US rights over their health information and sets rules and limits on who can look at and receive health information. The Privacy Rule applies to all forms of individuals' protected health information, whether electronic, written, or oral. The Security Rule is a Federal law that requires security for health information in electronic form. For details, visit http://www.hhs.gov/ocr/privacy/hipaa/understanding/

hostname

Label assigned to a device connected to a computer network. Used to identify the device in various forms of electronic communication.

HTTP
  • Also known as: Hypertext Transfer Protocol

Protocol for submitting data over a network, commonly used to load website content in a web browser.

HTTPS
  • Also known as: Hypertext Transfer Protocol Secure

Consists of communication over HTTP within a connection encrypted by TLS or SSL. The main motivation is authentication of the visited website and protection of the privacy and integrity of the exchanged data.

hypervisor

Computer software, firmware, or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called a "host machine". Each virtual machine is called a "guest machine".

IANA
  • Also known as: Internet Assigned Numbers Authority

The Internet Assigned Numbers Authority organization delegates authority for IP address-space allocation and domain-name assignment to the NIC and other organizations and maintains a database of assigned protocol identifiers used in the TCP/IP stack, including autonomous system numbers.

Infrastructure Services

Infrastructure is the backbone of all of your business operations.

instance

A "copy" of a virtual appliance/image/machine that is being installed, brought up, configured, etc. In the context of an AWS deployment, a virtual product (for example, a Barracuda CloudGen Firewall) that runs on Amazon Web Services (AWS).

instant replacement

With an Instant Replacement subscription, if your Barracuda Networks product fails, we will ship you a replacement unit within one business day so you can get back up and running soon. Instant Replacement subscriptions also work toward getting updated hardware through the Hardware Refresh program.

Intrusion Detection System

Network security feature that monitors local and forwarding firewall traffic for malicious activities.

Invalid Bounce Suppression

Feature used to determine whether the bounce address specified in a message is valid. It is designed to reduce the number of bounce messages to forged return addresses.

IP address
  • Also known as: Internet Protocol address

A numerical label assigned to each device (e.g., computer, printer) participating in a computer network that uses the Internet Protocol for communication.

IS
  • Also known as: intermediate system

Routing node in an OSI network.

ISDN
  • Also known as: Integrated Services Digital Network

Communication protocol offered by telephone companies that permits telephone networks to carry data, voice, and other source traffic.

ISP
  • Also known as: Internet Service Provider

Organization that provides access to the Internet.