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  • 标题:A Distributed Firewall Optimization Protocol For Customized Policy Verification
  • 本地全文:下载
  • 作者:Arun.P ; Divya.V ; Jyothi.S
  • 期刊名称:International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
  • 印刷版ISSN:2278-1323
  • 出版年度:2014
  • 卷号:3
  • 期号:3
  • 页码:811-813
  • 出版社:Shri Pannalal Research Institute of Technolgy
  • 摘要:Firewalls have been widely deployed on the Internet for securing private networks. Optimizing firewall policies is crucial for improving network performance. Prior work on firewall optimization focuses on either intra- firewall or inter-firewall optimization within one administrative domain where the privacy of firewall policies is not a concern. This paper explores inter-firewall optimization across administrative domains for the first time. The key technical challenge is that firewall policies cannot be shared across domains because a firewall policy contains confidential information and even potential security holes, which can be exploited by attackers. In this paper, we propose the first cross- domain privacy-preserving cooperative firewall policy optimization protocol. Specifically, for any two adjacent firewalls belonging to two different administrative domains, our protocol can identify in each firewall the rules that can be removed because of the other firewall. The optimization process involves cooperative computation between the two firewalls without any party disclosing its policy to the other. We implemented our protocol and conducted extensive experiments. The results on real firewall policies show that our protocol can remove as many as 49% of the rules in a firewall whereas the average is 19.4%. The communication cost is less than a few hundred KBs. Our protocol incurs no extra online packet processing overhead and the offline processing time is less than a few hundred seconds.
  • 关键词:Distributed firewall ;Firewall ; optimization; Privacy control
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