Automatic closing of non-secure ports in a remote network communications device
AssigneeItron Networked Solutions, Inc.
InventorsThomas Luecke, Nelson Bolyard, Winston Lew
Life of this patent
Estimating the term…
Abstract
A communications device has a first communications port via which secure messages are received, and a second communications port via which non-secure messages are received. In response to detecting that a secure message has been received, the device determines whether the second communications port is in a state that enables non-secure messages to be received. If the second communications port is in the enabled state, the device autonomously disables the second communications port to preclude non-secure messages received at that port from being processed.
Claims18
A communications device, comprising:
- a communications interface having a first communications port via which secure messages are received, and a second communications port via which non-secure messages can be received;
- and
- a microprocessor configured to perform the following operations:
- detect whether a secure message has been received;
- in response to detecting that a secure message has been received, determine whether the second communications port is in a state that enables non-secure messages to be received;
- and
- in response to determining that the second communications port is in the enabled state, disable the second communications port to preclude messages received at the second communications port from being processed.
A method for processing messages in a communications device having a non-secure communications port, comprising:
- detecting whether a secure message has been received;
- in response to detecting that a secure message has been received, determining whether the non-secure communications port is in a state that enables messages to be received, and
- in response to determining that the non-secure communications port is in the enabled state, disabling the non-secure communications port to preclude messages received at the non-secure communications port from being processed.
A non-transitory computer-readable medium encoded with program instructions that, when executed, cause a processor in a communications device to perform the following operations:
- detect whether a secure message has been received;
- in response to detecting that a secure message has been received, determine whether a non-secure communications port of the communications device is in a state that enables messages to be received;
- and
- in response to determining that the non-secure communications port is in the enabled state, disable the non-secure communications port to preclude messages received at the non-secure communications port from being processed.
Dependencies are inferred from the claim text.