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Network interface and firewall device

A device and network processing technology, applied in program control design, special data processing applications, instruments, etc., to solve problems such as lack of processing capability

Inactive Publication Date: 2008-01-30
MISTLETOE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem is that these hardware architectures do not have the processing power to efficiently implement these firewall operations

Method used

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  • Network interface and firewall device
  • Network interface and firewall device
  • Network interface and firewall device

Examples

Experimental program
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Embodiment Construction

[0057] FIG. 1 shows a private Internet Protocol (Internet Protocol, IP) network 24 connected to the public IP network 12 through a network interface device 25A. The public IP network 12 may be any wide area network (Wide Area Network, WAN) that provides packet switching. The private network 24 may be a corporate network, an Internet Service Provider (Internet Service Provider, ISP) network, a home network, etc., all of which need to communicate with the public IP network 12 .

[0058] Network processing devices 25A-25D in private network 24 may be any type of computing device that communicates over a packet-switched network. For example, network processing devices 25A and 25B may be routers, switches, gateways, firewalls, and the like. Endpoint 25C is a personal computer (PC), and endpoint 25D is a server, such as an Internet web server. The PC 25C may be connected to the private network 24 via a wired connection, such as a wired Ethernet connection, or a wireless connection...

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PUM

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Abstract

A network processing device provides a novel architecture for conducting firewall and other network interface management operations. In another aspect of the invention, a Unified Policy Management (UPM) architecture uses a same memory and processing structure to integrate firewall policy management with routing and switching decisions. In another embodiment, a Reconfigurable Semantic Processor (RSP) uses a parser to identify different syntactic elements that are then used by one or more Semantic Processing Units (SPUs) to carry out different firewall, network interface, routing, switching, and other packet processing operations.

Description

[0001] This application requires U.S. Patent Application No. 11 / 187,049, filed July 21, 2005, entitled "NETWORK INTERFACE AND FIREWALL DEVICE," and filed July 22, 2005, entitled "Using the The U.S. provisional application NO.60 / 701,748 of the US provisional application No. 60 / 701,748 of "METHOD AND APPARATUS FOR DETECTINGSEMANTIC ELEMENTS USING A PUSH DOWN AUTOMATON" and the title "Intrusion Detection System (INTRUSION DETECTING SYSTEM)" U.S. Patent Application No. 11 / 125,956. U.S. Patent Application No. 11 / 125,956 claims priority to U.S. Provisional Patent Application No. 60 / 639,002, filed December 21, 2004, and is co-pending U.S. Patent Application No. 10, filed January 24, 2003 Part of / 351,030 continues to apply. The above-mentioned applications are incorporated by reference in their entirety herein. Background technique [0002] The opening of the Internet has led to various attacks on Internet-connected machines. These attacks work by sending a sequence of packets tha...

Claims

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Application Information

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IPC IPC(8): G06F9/00G06F15/16G06F17/00
Inventor 索姆索布理·司柯达尔凯文·杰罗米·罗怀特凯维赫·杰拉里史蒂芬·克莱·埃利斯
Owner MISTLETOE TECH
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