Apparatus and method for filtering IP packets
US8904513B2 · kind B2 · utility
0Cited by
13References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2003 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jan 25, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/163
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The method can be implemented on a processor executing software instructions stored in memory. In one embodiment of the invention, the method includes receiving an Ethernet frame, wherein the Ethernet frame comprises a Transmission Control Protocol (TCP) header, wherein the TCP header comprises a TCP header length value. When the Ethernet frame is received, the TCP header length value is compared to a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.