| US 7,593,911 B1 | ||
| System and method for applying rule sets and rule interactions | ||
| Jeffrey Farah, North Brunswick, N.J. (US) | ||
| Assigned to AT&T Corp., New York, N.Y. (US) | ||
| Filed on Oct. 12, 2005, as Appl. No. 11/250,070. | ||
| Int. Cl. G06F 17/00 (2006.01); G06N 5/02 (2006.01) | ||
| U.S. Cl. 706—47 | 19 Claims |
| 1. A computer readable storage medium including a set of instructions executable by a processor, that cause the processor
to perform a method for screening incoming data of a network, comprising:
determining relationships between a plurality of existing rules in a rule set of a firewall used to screen the incoming data
of the network, wherein the relationships include cause interactions and effect interactions among the existing rules;
creating a representation of the relationships including the cause interactions and effect interactions;
receiving a new rule to be inserted into the rule set;
inserting further relationships between the new rule and the existing rules into the representation to create a modified representation;
and
determining, based on the modified representation, if a conflict is created by insertion of the new rule in the rule set.
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