if (logonShare == null || logonShare.isEmpty()) {
            throw new SmbException("Logon share is not defined");
        }
        try (SmbTreeImpl t = getSmbTree(logonShare, null)) {
            t.treeConnect(null, null);
        } catch (CIFSException e) {
            throw SmbException.wrap(e);
        }
    }

    boolean isSignatureSetupRequired() throws SmbException {