// Looks like the failure case also is just reflecting back the signature we sent

        // with SMB3's negotiation validation it's no longer possible to ignore this (on the validation response)
        // make sure that validation is performed in any case
        Smb2SigningDigest dgst = getDigest();
        if ( dgst != null && !isAsync() && ( getConfig().isRequireSecureNegotiate() || getErrorCode() == NtStatus.NT_STATUS_OK ) ) {

            // this is not too good, probably should better pass the address and check that it is a netbios one.
            // While we could look up the domain controller/KDC we cannot really make the java kerberos implementation
            // use a KDC of our choice.
            // A potential workaround would be to try to get the server FQDN by reverse lookup, but this might have

     */
    NetbiosName getUnknownName ();


    /**
     * Retrieve all addresses of a host by it's address. NetBIOS hosts can
     * have many names for a given IP address. The name and IP address make the
     * NetBIOS address. This provides a way to retrieve the other names for a
     * host with the same IP address.
     *
     * @param addr
     *            the address to query
     * @return resolved addresses

    };

    static final String[] WINERR_MESSAGES = {
        "The operation completed successfully.", "Access is denied.",
        "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",

        /*
         * The kerberos session key is not accessible via the JGSS API. IBM and
         * Oracle both implement a similar API to make an ExtendedGSSContext
         * available. That API is accessed via reflection to make this independent
         * of the runtime JRE
         */
        if ( EXT_GSS_CONTEXT_CLASS == null || INQUIRE_SEC_CONTEXT == null || INQUIRE_TYPE_SESSION_KEY == null ) {

        return CLIENT.getAllByName( new Name( host, type, scope ), svr );
    }

/**
 * Retrieve all addresses of a host by it's address. NetBIOS hosts can
 * have many names for a given IP address. The name and IP address make the
 * NetBIOS address. This provides a way to retrieve the other names for a
 * host with the same IP address.
 *
 * @param host hostname to lookup all addresses for

     * <code>smb://server/</code>,
     * <li>or <code>null</code> if the resource cannot be resolved.
     * </ul>
     * 
     * If strict resource lifecycle is used, make sure you close the individual files after use.
     *
     * @return An array of <code>SmbResource</code> objects representing file
     *         and directories, workgroups, servers, or shares depending on the context

     * 
     * Property <tt>jcifs.smb.client.dfs.disabled</tt> (boolean, default false)
     * 
     * @return whether DFS lookup is disabled
     */
    boolean isDfsDisabled ();


    /**
     * Enable hack to make kerberos auth work with DFS sending short names
     * 
     * This works by appending the domain name to the netbios short name and will fail horribly if this mapping is not
     * correct for your domain.
     * 

            if ( response != null ) {
                response.clearReceived();
            }

            // try TreeConnectAndX with the request
            // this does not make any sense if we are disconnecting right now
            T chainedResponse = null;
            if ( ! ( request instanceof SmbComTreeDisconnect ) && ! ( request instanceof Smb2TreeDisconnectRequest ) ) {

     * <tt>setAttributes( getAttributes() &amp; ~ATTR_READONLY )</tt>.
     *
     * @throws CIFSException
     */
    void setReadWrite () throws CIFSException;


    /**
     * Make this file read-only. This is shorthand for <tt>setAttributes(
     * getAttributes() | ATTR_READ_ONLY )</tt>.
     *
     * @throws CIFSException
     */
    void setReadOnly () throws CIFSException;