What role does the Web Application Firewall (WAF) play in making Cloudflare safe for websites?

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Grade: Education Subject: Support
What role does the Web Application Firewall (WAF) play in making Cloudflare safe for websites?
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The Web Application Firewall (WAF) is a critical security component that makes Cloudflare safe. It inspects incoming HTTP/HTTPS traffic for signatures of common web vulnerabilities and attacks, such as SQL injection, cross-site scripting (XSS), path traversal, and other OWASP Top 10 threats. By identifying and blocking these malicious requests before they reach the origin server, the WAF provides an essential layer of defense at the application level, protecting the website's code and databases without requiring any changes to the website's existing infrastructure.