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Web application firewall

A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service. By inspecting HTTP traffic, it can prevent attacks exploiting a web application's known vulnerabilities, such as SQL injection, cross-site scripting (XSS), file inclusion, and improper system configuration.

Synonyms - WAF

WordPress ( is a content management system (CMS) written in PHP paired with a MySQL, MariaDB, or SQLite database. Features include a plugin architecture and a template system, referred to within WordPress as Themes.