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P2P worm defending system

A defense system and P2P network technology, applied in the Internet field, can solve the problem that worm defense methods cannot effectively resist the threat of worm viruses, and achieve the effect of solving the problem of untimely information acquisition

Inactive Publication Date: 2005-12-21
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the face of large-scale worm attacks, it is far from enough to achieve single-machine anti-virus, and a single, traditional worm defense method can no longer effectively resist the ever-changing worm threat in complex situations.

Method used

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Examples

Experimental program
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Embodiment Construction

[0081] The present invention is characterized in that: by installing and running peer-to-peer interactive software PES (Peer Exchange Software) on many peer-to-peer hosts, an efficient and large-scale structure-optimized P2P worm defense network PWN (P2P Worm Defense Network) is built, and a heuristic Divided routing algorithm to realize low-latency worm alarm release and fast packet forwarding; realize fast virus database and patch file transmission through multi-node cooperative file transmission mechanism. These peer-to-peer hosts installed with PES and PWN constitute a P2P Worm Defense System PWD (P2P Worm Defense System) as a whole.

[0082] We first give a few important concepts:

[0083] (1) Peer node: a point in the extended d-tree topology, denoted as Peer-node, abbreviated as node.

[0084] (2) Peer-to-peer host: A host located on a peer node, denoted as Peer-host, abbreviated as host.

[0085] The relationship between these two concepts is: a peer node can have mu...

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Abstract

Through installing and running peer-to-peer interactive software including interactive software at peer-to-peer ends, multiple nodes coordinated fast file transmission software, and virus-scanning software, the invention builds a P2P networked system of anti worm virus for peer-to-pee hosts. The said system supplies following functions: high effective information sharing on the said self-organizing network for anti worm virus; quick issuing early warning through d mechanism of distributing route in time of finding worm virus; quick obtaining patch files through coordinated fast transmission mechanism. Comparing with prior art, the invention possesses advantages of obtaining information in time, and good effect for anti worm virus.

Description

technical field [0001] The P2P worm defense system belongs to the field of Internet technology, and especially relates to peer-to-peer network technology and worm defense technology. Background technique [0002] The spread of worms on computer networks can be regarded as the network propagation behavior under a certain topology, and different network topologies will greatly affect the propagation speed of worms. In the network, when a host is infected by a worm, other hosts in the same network will be threatened. In the absence of effective defense measures, the worm will infect the entire network in a short time. Then, when a worm virus infection is found on a host, how to inform other hosts for virus defense as soon as possible will become very important. [0003] In the face of large-scale worm attacks, it is far from enough to implement single-machine anti-virus, and a single, traditional worm defense method is no longer able to effectively resist the ever-changing wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 徐恪丁强崔勇
Owner TSINGHUA UNIV
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