Web application firewall overview

- [Instructor] By now, you should have … a very good understanding of how application gateway's work … and how they are configured. … But web application firewalls are not so different. … They are actually a special version … of an application gateway. … You can set up the Web Application Firewall mode … on any application gateway directly from the portal … or by using PowerShell. … They are used to prevent common exploit … of web applications. … That way you can prevent hacking attempts … to the websites that are being protected … by the web application firewall. … Such common exploits could be SQL injection … or cross-site scripting. … They are based on OWASP, … Open Web Application Security Project, core rule sets, … which means there are certain rules … that will help the web application firewall … interpret that a certain request is in fact … an attack against our back end. … Finally, we can configure our web application firewall … to operate on Detection mode, … which understands what's going on …