if (nego.getSelectedDialect().atLeast(DialectVersion.SMB311)) {
            // have preauth integrity instead
            log.debug("Secure negotiation does not apply, is SMB3.1");
            return;
        }
        final Smb2NegotiateRequest negoReq = new Smb2NegotiateRequest(sess.getConfig(), trans.getRequestSecurityMode(nego));

        log.debug("Sending VALIDATE_NEGOTIATE_INFO");

                req.setDesiredAccess(access);
                setCreateDisposition(req, flags);
                req.setShareAccess(sharing);
                req.setFileAttributes(attrs);

                // Add SMB3 features support with error handling for compatibility
                SmbSessionImpl session = h.getSession();

                // Enable lease support if available, with fallback for compatibility