Updated the Startup.cs to forward headers, hopefully this will help with making sure remote IPs are correctly retrieved.

SecureCore/AppSettingsManager.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.IO;
+using Microsoft.Extensions.Configuration;
+//using Microsoft.Extensions.Configuration.Binder;
+
+namespace SecureCore
+{
+    public static class AppSettingsManager
+    {
+        public static bool TryGetConnectionStringByName(string connectionStringName, out string connectionString)
+        {
+            connectionString = string.Empty;
+
+            try
+            {
+                // You could either use this 
+                var builder = new ConfigurationBuilder()
+                    .SetBasePath(Directory.GetCurrentDirectory())
+                    .AddJsonFile("appsettings.json")
+                    .Build();
+
+                connectionString = builder.GetConnectionString(connectionStringName);
+
+                if (!string.IsNullOrEmpty(connectionString)) return true;
+                else return false;
+            }
+            catch { return false; }
+        }
+    }
+}