US Patent 10387672 Secure message handling

Systems and methods in accordance with various embodiments of the present disclosure provide secure handling of messages at a hardware-protocol level using a logic device on a server. Various embodiments provide approaches for filtering messages on various buses, such as SSIF, SMBus, PMBus, I2C, and SPI, within a server or a computer. Embodiments may include a policy engine through which message handling logic applied to a given bus or buses may be implemented. A message is compared to one or more policies. The message is allowed to be transmitted to a baseboard management controller based on the one or more policies and a type of message.