* Retrieve an <code>InetAddress</code>. If the address is not
     * an IP address and cannot be resolved <code>null</code> will
     * be returned.
     */
    public static InetAddress getInetAddress ( Properties props, String key, InetAddress def ) {
        String addr = props.getProperty(key);
        if ( addr != null ) {
            try {
                def = InetAddress.getByName(addr);
            }

        int level;
        FileInputStream in = null;

        log = LogStream.getInstance();

        try {
            filename = System.getProperty( "jcifs_smb1.properties" );
            if( filename != null && filename.length() > 1 ) {
                in = new FileInputStream( filename );
            }
            Config.load( in );
            if (in != null)
                in.close();