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Barracuda Vulnerability Remediation Service

Glossary

dashboard

Main page of many Barracuda Networks product interfaces, providing a summary of the system. Formerly known as the Status tab.

data center

A facility used to house computer systems and associated components, such as telecommunications and storage systems.

data truncation
  • Also known as: truncate

Occurs when data or a data stream is stored in a location too short to hold its entire length. May occur automatically, such as when a long string is written to a smaller buffer, or deliberately, when only a portion of the data is wanted.

datasheet

Document that summarizes the performance and other technical characteristics of a product, machine, component (e.g., an electronic component), material, a subsystem (e.g., a power supply) or software in sufficient detail to be used by a design engineer to integrate the component into a system.

DCE-RPC
  • Also known as: Distributed Computing Environment Remote Procedure Call

Remote procedure call system that allows programmers to write distributed software without having to worry about the underlying network code.

dedicated host

An Internet hosting option where an organization leases an entire server, fully dedicated to their use. This is also an option in the public cloud. The price for a Dedicated Host varies by instance family, region, and payment option.

dedicated instance

Amazon EC2 instance that runs on single-tenant hardware dedicated to a single customer.

dedicated reserved instance

An option you can purchase from a cloud vendor to guarantee that sufficient capacity will be available to launch Dedicated Instances into a virtual private cloud (VPC).

DNS Cache
  • Also known as: DNS resolver cache

A temporary database, maintained by a computer's operating system, that contains records of all recent visits and attempted visits to websites and other Internet domains.

DNS record

Database record used to map a URL to an IP address.

Docker

Open-source software that automates the deployment of applications inside virtualized software containers.

Docker image

A layered file system template that is the basis of a Docker container. Docker images can comprise specific operating systems or applications.

dynamic path selection

Term used in context with Traffic Intelligence (TI). Using dynamic path selection, the session is balanced depending on the amount of traffic.

dynamic routing

Routing that adjusts automatically to network topology or traffic changes. Also called adaptive routing.

DynamoDB

A fully managed Amazon NoSQL database service that provides fast and predictable performance with seamless scalability.

edge location

Used by the AWS service CloudFront. Feature that offers content to end users via geographically closer locations to improve their experience.

EGP
  • Also known as: Exterior Gateway Protocol

Internet protocol for exchanging routing information between autonomous systems. 

Elastic Beanstalk

A web service for deploying and managing applications in the AWS cloud without worrying about the infrastructure that runs those applications.

Energize Updates

Provides Barracuda Networks products with protection from the latest Internet threats. These updates are sent out hourly, or more frequently if needed, to ensure that appliances always have the latest and most comprehensive protection. Barracuda Energize Updates subscriptions must be purchased with any Barracuda Networks appliance. Includes basic support, firmware maintenance, security updates, and early release firmware.

envelope encryption

The use of a master key and a data key to algorithmically protect data. The master key is used to encrypt and decrypt the data key and the data key is used to encrypt and decrypt the data itself.

Ethernet

Local area network technology that uses special twisted pair or fiber optical cables. As per the OSI model, Ethernet provides services up to and including the data link layer.

EULA

Contract between the Barracuda and the purchaser, establishing the purchaser's right to use Barracuda software.

evasion

Bypassing an information security device in order to deliver an exploit, attack, or other form of malware to a target network or system, without detection.

exploit

The use of software, data, or commands to 'exploit' a weakness in a computer system or program to carry out some form of malicious intent, such as a denial-of-service attack, Trojan horses, worms, or viruses.

false positive

A result that indicates a given condition is present, when it is not.

flooding

A Denial of Service (DoS) attack that is designed to bring a network or service down by flooding it with large amounts of traffic.

Flow Logs

AWS service that enables you to capture information about the IP traffic going to and from network interfaces in a VPC.

forensics

Techniques of examining digital media with the aim of identifying, preserving, recovering, analyzing, and presenting facts and opinions about the digital information.

FTP proxy

Allows the proxy to control FTP traffic. When a client uploads or downloads files, the proxy identifies the traffic as FTP, allowing the appliance to control file transfers using TCP optimization and caching.