}
		}()
		if debugPrint {
			fmt.Printf("grid: Got a %s request for: %v\n", req.Method, req.URL)
		}
		ctx := req.Context()
		if err := m.authRequest(req); err != nil {
			gridLogOnceIf(ctx, fmt.Errorf("auth %s: %w", req.RemoteAddr, err), req.RemoteAddr+err.Error())
			w.WriteHeader(http.StatusForbidden)
			return
		}
		conn, _, _, err := ws.UpgradeHTTP(req, w)
		if err != nil {