Detecting malicious packets in edge network devices
US11451582B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 16, 2020 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Dec 24, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/1425
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Detecting a Denial of Service (DoS) attack in a network by a network edge router device whereby network traffic flows from the edge router to a core router in the network. Storing DoS attack traffic information in storage associated with the edge router which receives network traffic. Determining in the edge router if a portion of the received network traffic matches at least a portion of the stored DoS attack information. Determining in the edge router an alert condition exists if a portion of the received network traffic is determined to match at least a portion of the stored DoS attack information. Send an alert signal from the edge router to an attack mitigation device if it is determined an alert condition exists causing the attack mitigation device to transition to a mitigation state for mitigating effects of a DoS attack upon the network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.