We use cookies on our website to ensure we provide you with the best experience on our website. By using our website, you agree to the use of cookies for analytics and personalized content.This website uses cookies. More Information
It seems like your browser didn't download the required fonts. Please revise your security settings and try again.
Barracuda Load Balancer ADC

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.

scalability

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

scaling policy

In AWS, a description of how Auto Scaling should automatically scale an Auto Scaling group in response to changing demand.

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.

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. 

server certificate

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

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.

Single Sign-On
  • Also known as: SSO

A session and user authentication service that permits a user to use one set of login credentials to access multiple applications. 

SIP

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

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.

slow client attack

Occurs when an attacker deliberately sends multiple partial HTTP requests to the server to carry out an HTTP DoS attack on the server. The client attempts to slow the request or response so much that it holds connections and memory resources open on the server for a long time, but without triggering session time-outs.

SMS Passcode

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

SMTP
  • Also known as: Simple Mail Transfer Protocol

Internet standard for electronic mail transmission.

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
  • Also known as: Simple Network Management Protocol

A standard for management of networked devices using a simple request-response data retrieval mechanism. Used for collecting information, along with configuring network devices, such as servers, printers, hubs, switches, and routers on an Internet Protocol (IP) network.

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.

Social Security number
  • Also known as: SSN, ss number

A nine-digit number issued to U.S. citizens, permanent residents, and temporary (working) residents for social security purposes.

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.

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.

SSL
  • Also known as: Secure Sockets Layer

Standard security technology for establishing an encrypted link between a server and a client - typically a web server and a browser, or a mail server and a mail client.

SSL certificate

A digital certificate that is installed on a web server, authenticates the identity of the website, and encrypts the data that is transmitted.

SSL Encryption
  • Also known as: Secure Sockets Layer encryption

The standard security technology for establishing an encrypted link between a web server and a browser. This link ensures that all data passed between the web server and browsers remain private and integral.Transport Layer Security (TLS) is the successor to SSL, and is sometimes referred to as "SSL".

SSL offloading
  • Also known as: Secure Sockets Layer

Relieves a web server of the processing burden of encrypting and/or decrypting traffic sent via SSL. The processing is offloaded to a separate device designed specifically to perform SSL acceleration or SSL termination.

SSL VPN client

VPN client that can be installed on the Barracuda CloudGen Firewall and then accessed through the Barracuda SSL VPN web portal. (Barracuda SSL VPN is a different product.)

static route

Route that is explicitly configured and entered into the routing table. Static Routes take precedence over routes chosen by dynamic routing protocols.

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.

subnet mask
  • Also known as: subnetwork mask, netmask

Helps you know which portion of the IP address identifies the network and which portion identifies the node. You can use subnet masks to divide networks in to subnetworks and to identify the subnetwork an IP address belongs to.

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.

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.

two-arm proxy

The Two-Arm Proxy mode uses both physical ports (WAN and LAN) of the device.

unencrypt

To decrypt encrypted data. The antonym of encrypt.

unit

Product or system.

User Identity Awareness

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