Patent
Integrated security system
Shawn E. Wiederin,Ralph Samuel Hoefelmeyer,Theresa E. Phillips +2 more
- 30 Jun 2003
224
TL;DR: In this paper, a network device used to provide network security includes an interface configured to receive data transmitted over a network, which includes a firewall, intrusion detection logic and forwarding logic.
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Abstract: A network device used to provide network security includes an interface configured to receive data transmitted over a network. The network device also includes a firewall, intrusion detection logic and forwarding logic. The firewall, intrusion detection logic and forwarding logic process the received data to determine whether the data contains malicious content. When the data contains malicious content, the data may be dropped before it reaches a user device to which the received data was sent. Optionally, the network device may interact with an external device in order to make the forwarding decision. In addition, the network device may subscribe to services offered by the external device to receive updated security information.
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Citations
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Patent
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James B. Joyce
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TL;DR: A method for analyzing packet streams (22) in a computer system using heuristic stages (16, 18, 20), assigning confidence ratings/factors and levels (14), to detect potentially harmful packets (22), and further analyzing said packets in accordance with said confidence ratings.
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