Per-port protection against denial-of-service and distributed denial-of-service attacks
US7818795B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 22, 2005 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Jul 2, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/1408
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus having a corresponding method and computer program comprises one or more ports each to transmit and receive packets of data; a classifier to determine one or more attributes for each of the packets of data; one or more counters for each of the ports, wherein each counter counts a number of the packets of data passing through the respective one of the ports and having a predetermined attribute, wherein a respective counter threshold is associated with each of the counters; and a security circuit to cause each of the ports to perform at least one of a plurality of predetermined actions when a count of a respective one of the counters exceeds a respective counter threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.