How WAFs Work?

Unlike traditional firewalls, such as Meraki firewalls, that protect the perimeter of a network, a WAF specifically safeguards web applications by monitoring, filtering, and blocking malicious traffic to and from the web application. WAFs function by inspecting incoming HTTP/HTTPS requests and filtering out potentially harmful content. They use a set of rules, known as policies, to identify and mitigate attacks such as SQL injection, cross-site scripting (XSS), and other vulnerabilities commonly exploited by hackers. 

These rules can be customized to suit the specific needs of an application, making WAFs a flexible solution for enhancing security. By acting as a shield between the internet and web servers, WAFs prevent unauthorized access and ensure that only legitimate traffic reaches the application.

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