This article explains how to configure the Internet Information Services (IIS) for NFA Console to prevent the display of Web Server version information leak in HTTP response headers.
Network Flow Analysis
Works for IIS 7+ versions (IIS 7, 8.5, 8.0, 8.5, IIS 10.0)
If URL Rewrite module is not available under features then download the URL Rewrite from microsite site https://www.iis.net/downloads/microsoft/url-rewrite and run the extension.
Once extension is installed, URL Rewrite icon will start appearing.
We need to add a rule in the outbound section. Right-click into the outbound section to open the context menu and select Add Rule(s)…
Incase still Server response value is still coming, restart the IIS once.