public void setBufferSize(final int bufferSize) {
        this.bufferSize = bufferSize;
    }

    public String getPassiveLocalHost() {
        return passiveLocalHost;
    }

    public void setPassiveLocalHost(final String passiveLocalHost) {
        this.passiveLocalHost = passiveLocalHost;
    }

    public boolean isPassiveNatWorkaround() {
        return passiveNatWorkaround;
    }