US 11,720,517 B2
Information handling system bus out of band message access control
Austin P. Bolen, Austin, TX (US); Chandrashekar Nelogal, Round Rock, TX (US); and Kevin Thomas Marks, Georgetown, TX (US)
Assigned to Dell Products, L.P., Round Rock, TX (US)
Filed by Dell Products, L.P., Round Rock, TX (US)
Filed on Oct. 26, 2021, as Appl. No. 17/511,163.
Prior Publication US 2023/0126468 A1, Apr. 27, 2023
Int. Cl. G06F 13/42 (2006.01)
CPC G06F 13/4221 (2013.01) [G06F 2213/0026 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for information handling system bus out of band message access control comprising:
creating an information handling system bus out of band message access control list, the access control list comprising a list of information handling system bus target device identifiers of other information handling system bus connected devices that an information handling system bus connected device is permitted to communicate with;
hosting the access control list in a port above the information handling system bus device;
comparing, by the port above the information handling system bus device, an information handling system bus target device identification field in information handling system bus out of band messages from the information handling system bus device to the access control list; and
routing, by the port above the information handling system bus device, each information handling system bus out of band message from the information handling system bus device, in which the information handling system bus target device identification in the information handling system bus target device identification field is on the access control list hosted in the port above the information handling system bus device, through the information handling system bus.