Juniper Networks, Inc.

Ken Xie

Yan Ke

Yuming Mao

An improved firewall for providing network security is described. The improved firewall provides for dynamic rule generation, as well using conventional fixed rules. This improvement is provided without significant increase in the processing time required for most packets. Additionally, the improved firewall provides for translation of IP addresses between the firewall and the internal network.

Method, apparatus and computer program product for a network firewall

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.

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Atherton, CA, United States of America

Ken Xie