protected boolean strictResourceLifecycle;
    protected Set<String> disallowCompound;
    protected DialectVersion minVersion;
    protected DialectVersion maxVersion;
    protected boolean requireSecureNegotiate = true;
    protected boolean sendNTLMTargetName = true;
    private byte[] machineId;
    protected String guestUsername = "GUEST";
    protected String guestPassword = "";

     */
    boolean isUseSMB2OnlyNegotiation ();


    /**
     * Enforce secure negotiation
     * 
     * Property <tt>jcifs.smb.client.requireSecureNegotiate</tt> (boolean, default true)
     * 
     * This does not provide any actual downgrade protection if SMB1 is allowed.
     *