Glossary — Letter S
Clear definitions for technical terms in hosting, servers, DNS, security, WordPress, and digital marketing. 300 terms available
SaaS
SaaS is a software delivery model where applications are hosted by a provider and accessed over the ...
SAN Certificate
SAN Certificate is an SSL/TLS certificate that secures multiple hostnames within a single certificat...
Second-Level Domain
Second-Level Domain is the part of a domain name directly to the left of the top-level domain (TLD),...
Self-Signed Certificate
Self-Signed Certificate is an SSL/TLS certificate that is created and signed by the same entity that...
Server
Server is a computer system or software service that provides resources, data, or functionality to o...
Server Farm
Server Farm is a centralized collection of many servers and supporting infrastructure that work toge...
Server Rack
Server Rack is a standardized metal frame or cabinet designed to mount servers, network gear, and po...
Serverless Hosting
Serverless Hosting is a cloud hosting model where applications run on provider-managed infrastructur...
SFTP
SFTP is a secure file transfer protocol that runs over SSH to move files between a client and a serv...
Shared Hosting
Shared Hosting is a web hosting type where multiple websites run on the same physical server and sha...
SLA
SLA is a Service Level Agreement that defines measurable performance and support commitments a hosti...
SMTP
SMTP is the standard internet protocol used to send email from a client or application to a mail ser...
SMTP Relay
SMTP Relay is a mail delivery service that forwards outgoing email from an application, server, or m...
Snapshot
Snapshot is a point-in-time copy of a server, virtual machine, or storage volume that preserves data...
SOA Record
SOA Record is a DNS record that defines the authoritative settings for a domain or DNS zone, includi...
SPF
SPF is an email authentication method that lets a domain publish which mail servers are allowed to s...
SQL
SQL is a standardized language used to define, query, and manage data in relational database systems...
SQL Injection
SQL Injection is a web application attack where an attacker manipulates database queries by insertin...
SRV Record
SRV Record is a DNS record type that tells clients which host and port provide a specific service fo...
SSD
SSD is a solid-state drive that stores data on flash memory rather than spinning disks, delivering f...
SSH
SSH is a secure network protocol used to remotely access and manage servers over an encrypted connec...
SSH Access
SSH Access is the ability to securely connect to a server over the Secure Shell (SSH) protocol to ru...
SSL
SSL is a security protocol used to encrypt data sent between a user’s browser and a web server, help...
SSL/TLS Certificate
SSL/TLS Certificate is a digital certificate that binds a domain name to a cryptographic key, enabli...
Static Site Hosting
Static Site Hosting is a hosting approach optimized for websites made of prebuilt files such as HTML...
Storage
Storage is the hardware and software layer that holds a server’s operating system, website files, da...
Subdomain
Subdomain is a DNS-based subdivision of a domain name that creates a separate hostname under the sam...
Subnet
Subnet is a logical subdivision of an IP network that groups addresses into smaller, manageable rang...
sudo
sudo is a Unix and Linux command that lets an authorized user run a specific command with elevated p...
Symfony
Symfony is an open-source PHP web application framework that provides reusable components, a structu...