/*
         * Note the Transport thread isn't running yet so we can
         * read from the socket here.
         */
        try {
            this.socket.setSoTimeout(this.transportContext.getConfig().getConnTimeout());
            if ( peekKey() == null ) /* try to read header */
                throw new IOException("transport closed in negotiate");
        }
        finally {

            Smb2QueryInfoResponse resp = withOpen(
                th,
                Smb2CreateRequest.FILE_OPEN,
                SmbConstants.FILE_READ_ATTRIBUTES | SmbConstants.READ_CONTROL,
                SmbConstants.FILE_SHARE_READ | SmbConstants.FILE_SHARE_WRITE,
                req);
            return resp.getInfo(SecurityDescriptor.class);
        }