Securing serial console redirection via serial-over-LAN (SOL)

Details Securing serial console redirection via serial-over-LAN (SOL) Securing serial console redirection via serial-over-LAN (SOL)

2011-08-30

2011-08-30

Bayard, Djenane M (Department: 2444)

Electrical computers and digital processing systems: multicomput

Master/slave computer controlling

C709S212000, C709S217000, C709S225000, C709S245000

Reexamination Certificate

active

08010617

ABSTRACT:
An information handling system has the capability of securing serial console redirection via serial-over-LAN (SOL) by using a baseboard management controller (BMC) and a baseboard serial controller. The BMC may be coupled to the baseboard serial controller over a DCD and/or GPIO bus. De-assertion of the data carriage detect (DCD) signal from the BMC to the baseboard serial controller may cause the OS console to logout the user session. If the BMC does not support a DCD signal then a general purpose input-output (GPIO) signal from the BMC may be used instead. Most operating system (OS) consoles will logout a user session when a de-asserted DCD (or GPIO) signal is detected.

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