How to get Client IP address in ASP.NET Core 2.1

Question

I\'m working on ASP.Net Core 2.1 with Angular Template provided by Microsoft Visual Studio 2017. My Client App is working fine. After competition of User Authentication, I want

Answer 1

If your Kestrel sits behind a reverse proxy like IIS make sure to forward the headers containing the client IP.
This goes into startup:

app.UseForwardedHeaders(new ForwardedHeadersOptions{ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto});