Self-defence model of SIP proxy server for against DoS attack

ZHANG Zhao-xin; DU Yue-jin; LI Bin; ZHANG Hong-li

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Self-defence model of SIP proxy server for against DoS attack

更新时间：2024-10-14

- Self-defence model of SIP proxy server for against DoS attack
- Vol. 30, Issue 4, Pages: 93-99(2009)
- 作者机构：
  
  哈尔滨工业大学计算机学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393.08
- Published：2009
- 稿件说明：
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ZHANG Zhao-xin, DU Yue-jin, LI Bin, et al. Self-defence model of SIP proxy server for against DoS attack[J]. 2009, 30(4): 93-99.
DOI：

ZHANG Zhao-xin, DU Yue-jin, LI Bin, et al. Self-defence model of SIP proxy server for against DoS attack[J]. 2009, 30(4): 93-99. DOI：

摘要

通过对拒绝服务攻击的原理、类型、特征及SIP网络面对的典型DoS攻击的分析

结合Client Puzzle思想、DFA、远程联动、本机联动技术及SIP网络特点、SIP代理服务器工作原理

提出了SIP代理服务器抗拒绝服务攻击自防御模型

并设计相应的实验环境对该模型抵御DoS攻击的能力进行测试

实验结果证明该模型在增加代理服务器转发信令毫秒级的时间延迟下

可有效地抵御针对SIP代理服务器发起的DoS攻击

增强SIP系统服务的可用性。

Abstract

Through deeply analyzing on the principle

mode

character of DoS

and the DoS attack faced by SIP network

combining with the idea of Client Puzzle

DFA

long-distance linkage

host linkagethe

the character of SIP network

and the principle of SIP proxy server

the defence model of SIP proxy server for DoS attack was put forward

and the testbed to test the ability of this model to resist DoS attack was designed.The experiment result proves that this model can effectively resist the DoS attack for SIP proxy server with millisecond delay of signal transfer

and improves the usablity of SIP network.

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