The effort required to accomplish this modification might be significant, and it must be maintained as the application is modified.ĪWS WAF is an online application firewall that protects your web applications from typical web exploits that could disrupt application availability, compromise security, or consume excessive resources. WAFs can take the shape of an appliance, server plugin, or filter and can be tailored to a specific application. A WAF can be thought of as a reverse proxy. A WAF is used to safeguard a specific online application or set of web apps. WAFs defend servers rather than clients, as proxies do. In general, these rules cover typical vulnerabilities like cross-site scripting (XSS) and SQL injection. It runs an HTTP interaction through a set of rules. A WAF is a protocol layer 7 protection (in the OSI model) and is not intended to fight against all forms of attacks.Ī web application firewall (WAF) is an application firewall for HTTP applications. It usually protects online applications from cross-site forgery, cross-site scripting (XSS), file inclusion, and SQL injection, among other things. A WAF, or web application firewall, protects web applications by filtering and monitoring HTTP traffic between a web application and the Internet.

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