структура

PARR_API/Settings/CorsSettings.cs

@@ -0,0 +1,9 @@
+namespace PARR_API.Settings
+{
+    public class CorsSettings
+    {
+        public string AllowedHosts { get; set; } = string.Empty;
+
+        public string[] AllowHostsArray => AllowedHosts.Split(';').Select(t => t.Trim()).ToArray();
+    }
+}