IIS 7 and Above
Application Request Routing (ARR)
Remove X-Powered-By using web.config
Re: Remove X-Powered-By using web.config
May 24, 2019 01:41 AM|Jalpa Panchal|LINK
Hi kalpesh boghara,
To remove X-Powered-By header follow below steps:
Open IIS Server Manager and select the site or server name from which you want to remove the header.
Select the HTTP Response Headers feature.
Remove the X-Powered-By header if it exists.
Clear browser cache and history and try to access the site.