// Verify remaining bytes are zeros
        for (int i = 4; i < 24; i++) {
            assertEquals((byte) 0x00, SMBUtil.SMB_HEADER[i]);
        }
    }

    @Test
    void testSMB2Header() {
        assertNotNull(SMBUtil.SMB2_HEADER);
        // The actual header is 68 bytes (4 + 2 + 2 + 2 + 2 + 4 + 2 + 2 + 4 + 4 + 8 + 4 + 4 + 8 + 8 + 8 = 68)
        assertEquals(68, SMBUtil.SMB2_HEADER.length);