Open IIS Manager and select server node in the tree view on left hand side Double click on "Application Request Routing" icon In the Actions pane on right hand side select "Server Proxy Settings" In the dialog uncheck "Preserve Host Header"

You can use URL rewrite module with Application Request Routing module to achieve this. This blog post explains how to use both modules together to implement reverse proxy scenario.

Hello all, Can you please help me for this question : I need to gain access to an another Web server (on my private LAN) from my public IIS Web server. I know that Apache contains the ProxyPass feature, but can I do this with the URL Rewrite module ? Thanks a lot.

With the recent release of the Application Request Router (ARR) module for IIS 7.0 , you can use URL rewrite module together with ARR module to enable reverse proxy scenarios. Check out this blog post that explains how to do it.