System and method for IP packet filtering based on non-IP...

Electrical computers and digital processing systems: multicomput – Computer network managing

Reexamination Certificate

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C709S230000

Reexamination Certificate

active

09919185

ABSTRACT:
Control and management of communication traffic. IP packet filtering occurs in an operating system kernel implementation of, for example, the TCP/IP protocol suite. Access rules are expressed as filters referencing system kernel data; for outbound processing, source application indicia is determined; for inbound packet processing, a look-ahead function is executed to determine target application indicia; and responsive to the source or target application indicia, filter processing is executed.

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