}
        this.tid = response.getTid();
        final String rsvc = response.getService();
        if (rsvc == null && !transport.isSMB2()) {
            throw new SmbException("Service is NULL");
        }

        if (transport.getContext().getConfig().isIpcSigningEnforced() && ("IPC$".equals(this.getShare()) || "IPC".equals(rsvc))
                && !sess.getCredentials().isAnonymous() && sess.getDigest() == null) {