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US Patent 7093287 - Method and system for building dynamic firewall rules, based on content of downloaded documents

US Patent Issued on August 15, 2006
Estimated Patent Expiration Date: Icon_subject October 12, 2020Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

A 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

  • Webopedia definition of the work “CRON”, http://www.webopedia.com/TERM/C/cron.html.

Inventors

Application

No. 09687100 filed on 10/12/2000

US 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 detection

Examiners

Primary: Vu, Hien
Assistant: Hoffman, Brandon

Attorney, Agent or Firm

US Patent References

5678041, System and method for restricting user access rights on the internet based on rating information stored in a relational database
Issued on: 10/14/1997
Inventor: Baker, et al.
5706507, System and method for controlling access to data located on a content server
Issued on: 01/06/1998
Inventor: Schloss
5835726, System for securing the flow of and selectively modifying packets in a computer network
Issued on: 11/10/1998
Inventor: Shwed, et al.
5867651, 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
Issued on: 02/02/1999
Inventor: Dan, et al.
5878231, System for packet filtering of data packets at a computer network interface
Issued on: 03/02/1999
Inventor: Baehr, et al.
5898830, Firewall providing enhanced network security and user transparency
Issued on: 04/27/1999
Inventor: Wesinger, Jr., et al.
6041355Method for transferring data between a network of computers dynamically based on tag information
Issued on: 03/21/2000
Inventor: Toga

International Classes

G06F 9/00
G06F 7/00
G06F 15/16

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