* @param securityMode the security mode flags for negotiation
     */
    public Smb2NegotiateRequest(final Configuration config, final int securityMode) {
        super(config, SMB2_NEGOTIATE);
        this.securityMode = securityMode;

        if (!config.isDfsDisabled()) {
            this.capabilities |= Smb2Constants.SMB2_GLOBAL_CAP_DFS;
        }