How to Detect Client IP Address Behind Cloudflare and Azure using ASP.NET MVC
https://ylv.io/how-to-detect-client-ip-address-behind-cloudflare/
https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/proxy-load-balancer?view=aspnetcore-3.1
https://ylv.io/how-to-detect-client-ip-address-behind-cloudflare/
https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/proxy-load-balancer?view=aspnetcore-3.1