this.flags &= ~flag;
    }

    /**
     * @return the mid
     */
    @Override
    public final long getMid() {
        return this.mid;
    }

    /**
     * @param mid
     *            the mid to set
     */
    @Override
    public final void setMid(final long mid) {
        this.mid = mid;
    }

    /**

        final Smb2SigningDigest dgst = getDigest();
        if (dgst != null && !isAsync() && (getConfig().isRequireSecureNegotiate() || getErrorCode() == NtStatus.NT_STATUS_SUCCESS)) {
            // MID checking not required here as we only read responses for which we're waiting
            // We only read what we were waiting for, so first guess would be no.
            final boolean verify = dgst.verify(buffer, i, size, 0, this);

        this.localTimeZone = TimeZone.getDefault();
        this.random = new SecureRandom();

        if (this.machineId == null) {
            final byte[] mid = new byte[32];
            this.random.nextBytes(mid);
            this.machineId = mid;
        }

        if (this.nativeOs == null) {
            this.nativeOs = System.getProperty("os.name");
        }

        if (this.flags2 == 0) {

    private final InetAddress localAddr;
    private final int localPort;
    private final Address address;
    private Socket socket;
    private int port;
    private final AtomicLong mid = new AtomicLong();
    private OutputStream out;
    private InputStream in;
    private final byte[] sbuf = new byte[1024]; /* small local buffer */
    private long sessionExpiration;