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Research of Hop Integrity Protocol and Its Implementation Technology

Author: Gao
Tutor: CaoJing
School: Hohai University
Course: Applied Computer Technology
Keywords: Network Security Denial of service attacks Jump Integrity Protocol Backtrace Netfilter Linux
CLC: TP393.08
Type: Master's thesis
Year: 2006
Downloads: 27
Quote: 0
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Abstract


Frequent denial of service attacks in recent years , causing no small loss of network providers . Studies show that the denial of service attack is an attack defense in the number of cyber attacks more difficult . There are a lot of denial of service attacks existing prevention methods , but most passive losses in the attack can be found , or consuming too high , not large-scale deployment . The hop integrity agreement designed in 2002 by Mohamed G.Gouda et al is an initiative to prevent denial of service attacks , can effectively prevent packet forgery , tampering and replay . The Linux operating system of its own openness , stability , flexibility and customizability in the industry has been well received . In this paper, based on detailed analysis of hop integrity protocol principle , based on Netfilter functional framework , dynamic module loading mechanism to add system calls and / proc pseudo file system linux kernel technology , hop integrity protocol , including key exchange packets input / output processing two modules , and packet statistics function added on , hop integrity protocol - based system backtrace full use of safe and convenient hop complete agreement . Finally, the implementation of this article - hop integrity protocol and backtrace system functional testing and performance analysis . Analysis showed that the hop integrity protocol guarantees between adjacent routers has been tampered with , forged, replay the packet is detected on the first jump , which can take the initiative to defend against denial of service attacks ; in the event of an attack , to be able to quickly and accurately locate attacks source; in performance does not bring too much overhead to the system , the delay can be brought to the processing data packets in the case of real-time undemanding accepted .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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