Method, apparatus and computer program product for a network firewall
US6772347B1 · kind B1 · utility
139Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2000 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Mar 15, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/22
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and methods for network security including a firewall. One firewall includes a firewall engine. The firewall engine includes a first engine including a first set of rules for sorting incoming IP packets into initially allowed packets and initially denied packets. The firewall engine also includes a filter including a second set of rules for receiving and further sorting the initially denied packets into allowed packets and denied packets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.