Cloud-delivered firewall rules for controlling commands sent to devices based on operational tolerance limits
US12003486B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2021 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Jul 2, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/107
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Techniques for a network controller associated with a firewall service to determine a network policy based on operational tolerances associated with a device, and cause the network policy to be provisioned at the firewall service where control commands, such as, for example, supervisory control and data acquisition (SCADA) commands, may be allowed or denied transmission to the device based on the operational tolerance(s) associated with the device. In some examples, the network controller may be configured as a manufacturer usage description (MUD) controller configured to transmit a MUD uniform resource identifier (URI), emitted by the device, to a MUD file server associated with the manufacturer of the device. The MUD file may be enhanced to include the operational tolerances associated with the device and transmitted back to the MUD controller where it may be parsed to determine a corresponding network policy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.