log.debug("Secure negotiation does not apply, is SMB3.1");
            return;
        }
        Smb2NegotiateRequest negoReq = new Smb2NegotiateRequest(sess.getConfig(), trans.getRequestSecurityMode(nego));

        log.debug("Sending VALIDATE_NEGOTIATE_INFO");
        Smb2IoctlRequest req = new Smb2IoctlRequest(sess.getConfig(), Smb2IoctlRequest.FSCTL_VALIDATE_NEGOTIATE_INFO);