Ethernet port control method and apparatus of digital...

Details Ethernet port control method and apparatus of digital... Ethernet port control method and apparatus of digital...

2006-04-14

2010-11-16

Mehrpour, Melody (Department: 2617)

Interactive video distribution systems

Video distribution system with upstream communication

Having link to external network

C725S117000, C725S147000

Reexamination Certificate

active

07836478

ABSTRACT:
In an Ethernet port control method and apparatus of a digital broadcasting system, a head-end is caused to physically block functions of an Ethernet port disposed in a set-top box in order to prevent an unauthenticated device from accessing a cable modem termination system (CMTS) from the head-end through the Ethernet port in the set-top box for a malicious purpose, such as hacking. The Ethernet port control apparatus includes a head-end for providing a control message, including port closing information, for preventing abuse of an Ethernet port, and a set-top box for resetting the Ethernet port according to the port closing information, thereby closing the Ethernet port when the control message is received from the head-end.

REFERENCES:
patent: 2004/0037217 (2004-02-01), Danzig et al.
patent: 2005/0027851 (2005-02-01), McKeown et al.
patent: 2006/0045021 (2006-03-01), Deragon et al.
patent: 2007/0195824 (2007-08-01), Chapman et al.
patent: 2008/0209494 (2008-08-01), Dravida et al.

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