fixed host resolve

Author: shukriadams

src/Tetrifact.Web/Controllers/ArchivesController.cs

@@ -105,9 +105,9 @@ public ActionResult GetArchive(string packageId, [FromQuery(Name = "ticket")] st
 
                 string host = string.Empty;
                 if (Request.HttpContext.Connection.RemoteIpAddress != null)
-                    host = Request.HttpContext.Connection.RemoteIpAddress.ToString();
+                    host = Request.HttpContext.Connection.RemoteIpAddress.ToString().ToLower();
 
-                bool isLocal = _settings.WhiteListedLocalAddresses.Contains(headers.Host.Host.ToLower());
+                bool isLocal = _settings.WhiteListedLocalAddresses.Contains(host.ToLower());
                 string ticketLog = string.Empty;
 
                 // local (this website) downloads always allowed.