They use configuration and access control policies to control communications between the two zones. Network firewalls protect unauthorized access by creating and separating a secure zone from a less secure zone. Network firewalls protect against unauthorized access to a computer network. Lastly, WAFs are transitioning from standalone tools into fully-integrated Web Application and API Protection (WAAP) offerings that include a suite of capabilities, including protecting APIs, bot management and mitigation capabilities, application Layer 7 DDoS protection, web application security, and more.
A WAF is focused on web application traffic (HTTP/S) and protects applications in internet-facing zones of the network.Ī WAF can use many techniques to understand whether traffic should be allowed to pass through to an application or should be blocked, including behavioral algorithms (machine learning and a positive security model) or a negative security model. Why Do You Need Both WAF and Firewall Security Solutions?Ī web application firewall (WAF) is a hardware appliance, virtual appliance or cloud-based service that resides in front or before the web-facing applications to detect and protect against a variety of malicious attacks.
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