Meanwhile, network firewalls provide comprehensive protection. The former delivers a more targeted approach, rather than being used to provide broad protection for the network in general. WAFs should not be confused with network firewalls. What is the difference between WAFs and firewalls? Without WAFs, cookie or session hijacking can also be a huge source of risk. WAFs can also be a powerful deterrent against distributed denial of service (DDoS) attacks, as these solutions are specifically designed to block or limit traffic that appears malicious. Similarly, WAFs prevent SQL injection, involving attacker interference into queries between applications and their databases. These often involve injection attacks such as cross-site scripting (XSS), in which seemingly safe websites are injected with malicious code. WAFs are designed to identify and block potential application-layer attacks.
What attacks are blocked by this solution? These are sometimes referred to as reverse proxies, as WAFs protect servers from possibly malicious clients. This is made possible by the WAF's strict adherence to detailed policies that determine which types of traffic are safe and which could prove dangerous. Designed to monitor, assess, and, if necessary, block traffic, WAFs function a lot like fences: they are placed between the application and the main requests that arrive from the internet, thereby providing a significant layer of protection. What is a Web Application Firewall and how does it work?Ī web application firewall (WAF) acts as a powerful filter to protect web applications from a variety of cyber attacks.
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