In simple terms, a web app firewall, commonly abbreviated as WAF is a firewall that monitors, filters or blocks the HTTP traffic to and from a web application.

In a little more technical definition, a web app firewall WAF is an appliance, server plug-in, or filter that applies a set of rules to an HTTP conversation. Usually, these rules cover common attacks such as cross-site scripting, abbreviated as XSS and SQL injection. By customizing the rules to your application, many attacks can be identified and blocked forehand. The effort to perform this customization can be significant and needs to be maintained as the application is modified.


In the contemporary world web threats are constantly on the rise, the risks and …

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