Patent ReferencesSystem and method for restricting user access rights on the internet based on rating information stored in a relational database System and method for controlling access to data located on a content server System for securing the flow of and selectively modifying packets in a computer network System for providing custom functionality to client systems by redirecting of messages through a user configurable filter network having a plurality of partially interconnected filters System for packet filtering of data packets at a computer network interface Firewall providing enhanced network security and user transparency Method for transferring data between a network of computers dynamically based on tag information Patent #: 6041355 InventorsApplicationNo. 09687100 filed on 10/12/2000US Classes:726/13, Packet filtering707/100, DATABASE SCHEMA OR DATA STRUCTURE709/229, Network resources access controlling707/9, Privileged access709/227, COMPUTER-TO-COMPUTER SESSION/CONNECTION ESTABLISHING709/225, Computer network access regulating726/11, Firewall710/8, Peripheral configuration713/150, MULTIPLE COMPUTER COMMUNICATION USING CRYPTOGRAPHY726/24Virus detectionExaminersPrimary: Vu, HienAssistant: Hoffman, Brandon Attorney, Agent or FirmInternational ClassesG06F 9/00G06F 7/00 G06F 15/16 AbstractA method for filtering incoming data from an external computer network is provided. This method includes scanning the contents of incoming data for pre-selected keyword(s) and allowing it to pass per standard service rules if its content does not contain the pre-selected keyword(s). If the incoming data does contain pre-selected keywords, it is blocked and added to a “known-block” filtering table. Once added to the filtering table, the site will automatically be blocked in the future without having its contents scanned again for pre-selected keywords.Other References
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