th.getConfig().getListSize() - FIND_OVERHEAD),
                this.response);

            this.nextRequest = new Trans2FindNext2(
                th.getConfig(),
                this.response.getSid(),
                this.response.getResumeKey(),
                this.response.getLastName(),
                th.getConfig().getListCount(),

                }
                // == 5*128 = 640

                // . and .. entries = 200 byte (includes alignment)

                // + 64 byte header
                // + 8 byte query response overhead
                // + 110 bytes entry
                // -> 1022 predicted message size <= 1023 maximum buffer size
                // 112 bytes to alignment

     * 
     * This does not provide any actual downgrade protection if SMB1 is allowed.
     * 
     * It will also break connections with SMB2 servers that do not properly sign error responses.
     * 
     * @return whether to enforce the use of secure negotiation.
     */
    boolean isRequireSecureNegotiate ();


    /**
     * Enable port 139 failover
     * 

    protected int capabilities = 0;
    protected int sessionLimit = SmbConstants.DEFAULT_SSN_LIMIT;
    protected boolean smbTcpNoDelay = false;
    protected int smbResponseTimeout = SmbConstants.DEFAULT_RESPONSE_TIMEOUT;
    protected int smbSocketTimeout = SmbConstants.DEFAULT_SO_TIMEOUT;
    protected int smbConnectionTimeout = SmbConstants.DEFAULT_CONN_TIMEOUT;
    protected int smbSessionTimeout = SmbConstants.DEFAULT_SO_TIMEOUT;

                        // response
                        if ( negoResp.getSelectedDialect().atLeast(DialectVersion.SMB300) || response.isSigned() ) {
                            response.setDigest(dgst);
                            byte[] payload = response.getRawPayload();
                            if ( !response.verifySignature(payload, 0, payload.length) ) {

        }
        else {
            request.setResponse(response);
        }
        if ( response == null ) {
            throw new IOException("Invalid response");
        }
        return response;
    }


    @Override
    protected <T extends Response> boolean handleIntermediate ( Request request, T response ) {
        if ( !this.smb2 ) {
            return false;
        }

                        response = (TreeConnectResponse) request.getResponse();
                        if ( response.isReceived() && !response.isError() && response.getErrorCode() == NtStatus.NT_STATUS_OK ) {
                            if ( !transport.isDisconnected() ) {
                                treeConnected(transport, sess, response);
                            }
                            throw se;

            }
            else {
                SmbComOpenAndXResponse response = new SmbComOpenAndXResponse(config);
                h.send(new SmbComOpenAndX(config, uncPath, access, sharing, flags, attrs, null), response);
                this.fileLocator.updateType(response.getFileType());
                info = response;
                fileSize = response.getDataSize();

        this.smbTcpNoDelay = Config.getBoolean(p, "jcifs.smb.client.tcpNoDelay", false);
        this.smbResponseTimeout = Config.getInt(p, "jcifs.smb.client.responseTimeout", SmbConstants.DEFAULT_RESPONSE_TIMEOUT);
        this.smbSocketTimeout = Config.getInt(p, "jcifs.smb.client.soTimeout", SmbConstants.DEFAULT_SO_TIMEOUT);

    request.desiredAccess |= 0x20000;
    response.isExtended = true;
}
            send( request, response );
            f = response.fid;
            attributes = response.extFileAttributes & ATTR_GET_MASK;
            attrExpiration = System.currentTimeMillis() + attrExpirationPeriod;
            isExists = true;
        } else {
            SmbComOpenAndXResponse response = new SmbComOpenAndXResponse();