https://learn.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-it-pro/internet-explorer-11/ie11-ieak/proxy-settings-ieak11-wizard
Use the Proxy Settings page in the IEAK 11 Wizard (Internet Explorer Administration Kit 11 for IT...
How to use the Proxy Settings page in the IEAK 11 Customization Wizard to pick the proxy servers used to connect to required services.