Preventing denial-of-service attacks employing broadcast packets
US7826447B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 4, 2005 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Feb 12, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/1458
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus having a corresponding method and computer program comprises a processor; a plurality of ports to transmit and receive packets of data, the plurality of ports comprising a processor port in communication with the processor, the packets comprising broadcast packets and multicast packets; a memory to store a table that associates the processor port with one or more Internet protocol (IP) addresses; and a forwarding engine to transfer the packets between the ports, to transfer each of the broadcast packets to the processor port only when the table associates a target IP address of the broadcast packet with the processor port, and to transfer each of the multicast packets to the processor port only when the table associates a target IP address of the multicast packet with the processor port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.