Filter rule validation and administration for firewalls

Details Filter rule validation and administration for firewalls Filter rule validation and administration for firewalls

1996-12-23

1999-12-28

Maung, Zarni

Electrical computers and digital processing systems: multicomput

Multiple network interconnecting

709217, 709218, 709227, 709228, 709229, 709246, 709250, 713201, 713202, G06F 1100, G06F 1132, G06F 1300

Patent

active

060094753

ABSTRACT:
Filter rules on a firewall between a secure computer network and a nonsecure computer network are validated from a user interface. A user interface is presented in which a test packet can be defined. The user interface includes controls for defining values for attributes of the test packet, wherein the attributes of the test packet are selected from a set of attributes of normal packets normally sent between the secure and nonsecure computer networks. A defined test packet is validated against a set of filter rules in the firewall or matched against the filter rules to determine those filter rules with matching attributes to the defined packet. When validating, responsive to the failure of the test packet in the validating step, the filter rule in the set of filter rules which denied the test packet is displayed.

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