AQTRONiX WebKnight - Open Source Web Application Firewall (WAF) for IIS What is it? Features Download Install F.A.Q. What is it? AQTRONIX WebKnight is an application firewall for IIS and other web servers and is released under the GNU General Public License. More particularly it is an ISAPI filter that secures your web server by blocking certain requests. If an alert is triggered WebKnight will ta