This is a whitepaper discussing using Apache with mod_proxy and Dotdefender to protect IIS installs. Written in Azerbaijani.
You can download it from the following link: https://packetstormsecurity.com/files/download/130861/Protecting_Windows_web_srv_Apache_mod_proxy_Dotdefender_WAF.pdf
Source: https://packetstormsecurity.com/files/130861/Protecting-IIS-With-Apache-Mod-Proxy-And-Dotdefender-WAF.html