Patent · US Active

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

US8010617B2 · kind B2 · utility

3Cited by

2References

34Claims

0Family size

Assignee

Dell Products L.P. · US

Inventors

Haihong Zhuo · Austin, US
Weimin Pan · Austin, US
Anil V. Rao · Austin, US

Key dates

Filing date	Nov 22, 2005
Grant date	Aug 30, 2011
Priority date	—
Expiry date	Feb 4, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06F21/554
WIPO fieldComputer technology
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.