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Glossary
- SafeSearch
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Feature of Google Search that acts as an automated filter of pornography and potentially offensive content.
- Salesforce
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An online SaaS company that is best known for delivering customer relationship management (CRM) software to companies over the Internet.
- scalability
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The suitability of a network system to operate properly and efficiently when configured on a large scale.
- SCCP
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Network layer protocol that provides extended routing, flow control, segmentation, connection orientation, and error correction facilities in Signaling System 7 telecommunications networks.
- SD-WAN
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A wide area network controlled by software. Control and data are decoupled, simplifying both network hardware and management.
- serial port
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A port on a computing device that is capable of either transmitting or receiving one bit at a time.
- service certificate
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Certificate for a service, signed by a valid, trusted entity, that allows access without further validation.
- session layer
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The layer in the OSI 7-Layer Model that is concerned with managing the resources required for the session between two computers.
- single pass
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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
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Communications protocol for signaling and controlling multimedia communication session such as voice and video calls.
- Site-to-Site VPN
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Securely connects entire networks to each other, for example, connecting a branch office network to a company headquarters network.
- SLA
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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.
- SMS Passcode
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Multi-Factor Authentication (MFA) solution that adds an extra security layer for a broad range of authentication clients.
- SNA
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IBM's communications architecture and strategy.
- snapshot
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Capture of the state of a system at a particular point in time.
- SNMP service
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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
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Feature to push notifications to mobile services and trigger actions, in Amazon Web Services (AWS).
- SNTP
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Network package format for time synchronization, similar to NTP, only recommended for simple applications.
- Source NAT
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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
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Purchasing option that allows a customer to purchase unused Amazon EC2 computer capacity at a highly-reduced rate.
- SQS
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Amazon Simple Queue Service (SQS) is a fast, reliable, scalable, fully managed message queuing service.
- SSL VPN client
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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 website hosting
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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
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Data compression technique used in wireless networks.
- subnetting
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Partitioning of an IP address space into several smaller address spaces.
- syslog streaming
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Method for handling of log file messages that are to be transferred to another system for analyzing purposes.
- tap
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An intrusion into a network cable by a connector.
- TCP Proxy
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The TCP Proxy is placed between browser and web server and filters requests and responses in TCP streams.
- TCP/IP
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A Transport and Network Layer Protocol, respectively, used for communication in the Internet and often in private networks.
- Telnet
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A protocol to access a remote computer system, often a Unix system, over the network. Origin: Teletype Network.
- terminal server
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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
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A simplified version of FTP (file tranfer protocol).
- timestamp
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A date/time string to mark an occurrence of an event.
- transparent proxy
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The HTTP Proxy operates transparently to the clients in the network.
- Transport Layer Security
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Cryptographic protocol that provides communications security over a computer network.
- unencrypt
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To decrypt encrypted data. The antonym of encrypt.
- unit
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Product or system.
- User Identity Awareness
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Security term for traffic monitoring based on username, host, and IP address.