assertEquals(1, NbtAddress.P_NODE);
        assertEquals(2, NbtAddress.M_NODE);
        assertEquals(3, NbtAddress.H_NODE);
        assertArrayEquals(new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, NbtAddress.UNKNOWN_MAC_ADDRESS);
    }

        totalDataCount = 0;
        maxParameterCount = 0;
        maxDataCount = 4096;
        maxSetupCount = (byte) 0x00;
    }

    @Override
    int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = subCommand;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    int writeParametersWireFormat(final byte[] dst, int dstIndex) {

        SMBUtil.writeInt2(this.writeMode, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.remaining, dst, dstIndex);
        dstIndex += 2;
        dst[dstIndex] = (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        SMBUtil.writeInt2(this.dataLength, dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.dataOffset, dst, dstIndex);
        dstIndex += 2;

        super(config, SMB_COM_TRANSACTION, NET_SHARE_ENUM);
        this.name = "\\PIPE\\LANMAN";
        this.maxParameterCount = 8;

        // maxDataCount = 4096; why was this set?
        this.maxSetupCount = (byte) 0x00;
        this.setupCount = 0;
        this.timeout = 5000;
    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

    static final Name UNKNOWN_NAME = new Name("0.0.0.0", 0x00, null);
    static final NbtAddress UNKNOWN_ADDRESS = new NbtAddress(UNKNOWN_NAME, 0, false, B_NODE);
    static final byte[] UNKNOWN_MAC_ADDRESS = { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00 };

    static final class CacheEntry {
        Name hostName;
        NbtAddress address;

    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, int dstIndex) {
        dst[dstIndex] = this.getSubCommand();
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        return 2;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, int dstIndex) {
        final int start = dstIndex;

        // Offset 2-3: Reserved (2 bytes, should be 0x00)
        // Offset 4-7: Security Information (4 bytes)
        assertEquals(8, bytesWritten);

        // Check FID
        assertEquals(0xABCD, SMBUtil.readInt2(dst, 10));

        // Check reserved bytes are zero
        assertEquals(0x00, dst[12]);
        assertEquals(0x00, dst[13]);

        // Check security information

        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, int bufferIndex) {
        final int start = bufferIndex;
        isLoggedInAsGuest = ((buffer[bufferIndex] & 0x01) == 0x01) == true;
        bufferIndex += 2;
        if (extendedSecurity) {
            final int blobLength = readInt2(buffer, bufferIndex);
            bufferIndex += 2;
            blob = new byte[blobLength];
        }

        // SMB2 header
        validator.validateSmbHeader(0x424D53FE, 64, 0x00);
    }

    @Test
    public void testInvalidProtocolId() throws Exception {
        assertThrows(SmbException.class, () -> {
            validator.validateSmbHeader(0xDEADBEEF, 64, 0x00);
        });
    }

    @Test
    public void testInvalidSmb1HeaderSize() throws Exception {

        for (int i = 0; i < 24; i++) {
            buffer[i] = (byte) (i + 1);
        }

        // Add context length (reserved) - 4 bytes
        buffer[24] = 0x00;
        buffer[25] = 0x00;
        buffer[26] = 0x00;
        buffer[27] = 0x00;

        // Decode
        int bytesConsumed = response.decode(buffer, 0, 28);

        // Verify
        assertEquals(28, bytesConsumed, "Should consume exactly 28 bytes");