Web Application Firewall (WAF) protect web applications.

Web Application Firewall that helps protect your web applications from common web exploits.

WAF (Web Application Firewall)  is a firewall  that filters, monitors, and blocks HTTP or HTTPS traffic to and from a web application.  It can prevent attacks stemming from web application security flaws such as SQL injection, Cross-Site Scripting (XSS), Security Misconfiguration and block brute-force attacks. Many attacks can be identified and blocked before bercriminals attempting to steal your data for traffic and profit.