![]() ![]() ![]() The value of a WAF comes from the ease and speed in which policy modifications are implemented, allowing a faster response to various attack vectors rate-limiting can quickly be implemented during a DDoS attack by modifying WAF policies. WAFS comes in different forms, such as an appliance, software, or as-a-service. The reverse-proxy also acts as an intermediary, only to protect the app’s web server from potentially malicious clients. With AWS WAF, you can create security rules that control bot traffic and block common attack patterns such as SQL injection or cross-site scripting (XSS). Just like a proxy server will act as an intermediary and protect a client’s identity, a WAF operates similarly but in a reverse fashion, which is called a reverse-proxy. These policies help protect against application vulnerabilities by determining the malicious traffic from the safe traffic then filtering out the malicious traffic. It does this through a set of policies, which are merely rules the WAF operates through. A web application firewall (WAF) protects web apps by monitoring, filtering, and blocking malicious HTTP/S traffic that is traveling to a web application preventing unauthorized data from exiting the app.
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