Instructions

1

Log in to your Windows server as the Administrator, click on the "Start" button, open the "Administrative Tools" section and then click on "Internet Information Services."
2

Click "Advanced" and then check "Allow reverse proxy incoming connection attempts."
3

Click "OK," then log out of your Windows server and log in to your Linux server that is running Apache.
4

Open a terminal (from the System menu) and type "/etc/init.d/apache2 -mod_proxy -R xxx.xxx.xxx.xxx", where "xxx.xxx.xxx.xxx" is the IP address of your IIS server.
5

Press "Enter" to associate the Apache server's reverse proxy function with the IIS server.