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Barracuda Backup

Glossary

S3
  • Also known as: Simple Storage Service, Amazon Web Services

Object-based, scalable object storage in the AWS cloud.

SafeSearch

Feature of Google Search that acts as an automated filter of pornography and potentially offensive content.

Salesforce

An online SaaS company that is best known for delivering customer relationship management (CRM) software to companies over the Internet.

sandboxing

A security mechanism for separating untested or untrusted programs or code, without risking harm to the host environment.

scalability

The suitability of a network system to operate properly and efficiently when configured on a large scale.

SCCP
  • Also known as: Signalling Connection Control Part, Skinny

Network layer protocol that provides extended routing, flow control, segmentation, connection orientation, and error correction facilities in Signaling System 7 telecommunications networks.

SCSI
  • Also known as: Small Computer Systems Interface

A specification (ANSI X3T9.2) for a short distance Local Area Network (up to 6 meters) using bus topology for up to eight devices. 

SD-WAN
  • Also known as: software-defined networking in a wide area network, software-defined WAN

A wide area network controlled by software. Control and data are decoupled, simplifying both network hardware and management.

serial port

A port on a computing device that is capable of either transmitting or receiving one bit at a time. 

service certificate

Certificate for a service, signed by a valid, trusted entity, that allows access without further validation. 

session layer

The layer in the OSI 7-Layer Model that is concerned with managing the resources required for the session between two computers.

single pass

Algorithm that reads its input exactly once, in order, without unbounded buffering. Generally requires O(n) time and less than O(n) storage (typically O), where n is the size of the input.

SIP

Communications protocol for signaling and controlling multimedia communication session such as voice and video calls.

site to site replication
  • Also known as: site-to-site replication

Replicating data from one site to another. For example, backup data replication from an on-premise Barracuda Backup to another on-premise Barracuda Backup unit.

Site-to-Site VPN

Securely connects entire networks to each other, for example, connecting a branch office network to a company headquarters network.

SLA
  • Also known as: service level agreement, service-level agreement

A contractual agreement by which a service provider defines the level of service, responsibilities, priorities, and guarantees regarding availability, performance, and other aspects of the service.

smart host

Email message transfer agent that allows a Simple Mail Transfer Protocol (SMTP) server to route email to an intermediate mailserver rather than directly to the recipient's server.

SMS Passcode

Multi-Factor Authentication (MFA) solution that adds an extra security layer for a broad range of authentication clients.

SNA
  • Also known as: Systems Network Architecture

IBM's communications architecture and strategy.

snapshot

Capture of the state of a system at a particular point in time.

SNMP service

The SNMP service is used to remotely monitor the network and system state of a Barracuda NextGen Firewall using a network management system (NMS).

SNS
  • Also known as: simple notification service

Feature to push notifications to mobile services and trigger actions, in Amazon Web Services (AWS).

SNTP
  • Also known as: Simple Network Time Protocol

Network package format for time synchronization, similar to NTP, only recommended for simple applications.

Source NAT

Changing the source address/port in the IP header of a packet. Example: changing a private IP address/port into a public address/port in the IP header of a packet leaving the network.

Spot Instance

Purchasing option that allows a customer to purchase unused Amazon EC2 computer capacity at a highly-reduced rate.

SQL
  • Also known as: Structured Query Language

A standard metalanguage for data base access and management.

SQL server

Microsoft SQL Server is a relational database management system (RDBMS) designed for enterprise environments.

SQS
  • Also known as: Amazon Simple Queue Service, Amazon SQS

Amazon Simple Queue Service (SQS) is a fast, reliable, scalable, fully managed message queuing service.

SSHFS

Filesystem client based on the SSH File Transfer Protocol.

static website hosting

Hosting of a static website in Amazon S3. When a bucket is enabled for Static website hosting, all content is accessible to web browsers via the Amazon S3 website endpoint of the bucket.

stream and packet compression

Data compression technique used in wireless networks.

striping
  • Also known as: Amazon elastic block store, AWS, Amazon Web Services, striped

Method to combine performance and throughput of Amazon EBS volumes to a single logical volume.

subnetting

Partitioning of an IP address space into several smaller address spaces.

syslog streaming

Method for handling of log file messages that are to be transferred to another system for analyzing purposes.

tap

An intrusion into a network cable by a connector.

TB

A terabyte. 10^12 or 1,000,000,000,000 bytes. 1,000 GB.

TCP Proxy

The TCP Proxy is placed between browser and web server and filters requests and responses in TCP streams.

TCP/IP
  • Also known as: Transmission Control Protocol/Internet Protocol

A Transport and Network Layer Protocol, respectively, used for communication in the Internet and often in private networks.

Telnet

A protocol to access a remote computer system, often a Unix system, over the network. Origin: Teletype Network.

terminal server

Communications processor that connects asynchronous devices such as terminals, printers, hosts, and modems to any LAN or WAN that uses TCP/IP, X.25, or LAT protocols.

TFTP
  • Also known as: Trivial File Transfer Protocol

A simplified version of FTP (file tranfer protocol).

timestamp
  • Also known as: time stamp

A date/time string to mark an occurrence of an event. 

transparent proxy
  • Also known as: inline proxy

The HTTP Proxy operates transparently to the clients in the network.

Transport Layer Security
  • Also known as: TLS

Cryptographic protocol that provides communications security over a computer network.

unencrypt

To decrypt encrypted data. The antonym of encrypt.

unit

Product or system.

user agent

Software that acts on behalf of the user. For example, an agent might give information about a user's browser and operating system to a web site.

User Identity Awareness

Security term for traffic monitoring based on username, host, and IP address.

USN journal
  • Also known as: Update Sequence Number Journal, Windows NTFS, Windows NT Filing System

Change journal of file and directory changes on the NTFS volume, including a description of the change and the name of the file or directory.