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Deployment of bastion host, RED before firewalls to improve security and efficiency

Author Affiliations

  • 1Dept. of Computer Science Engg, Bhilai Institute of Technology, Durg, CG, India
  • 2Dept. of Computer Science Engg, Bhilai Institute of Technology, Durg, CG, India

Res. J. Computer & IT Sci., Volume 5, Issue (5), Pages 9-11, July,20 (2017)


Firewalls are one of the most important equipment required to protect the Networks these days. Network threats are on all-time high and upgradation of firewalls is a continuous and ongoing process. This paper aims at suggesting improvements in the firewall performance and improving security by attaching a Bastion host before firewall to reduce threats reaching firewall. It includes the detailed description of a bastion firewall as an External DNS Server and a proxy server. The paper also includes a model of packet filtering which may be used to detect and reject packets at an earlier stage using RED. Thus the number of packets which reach the firewall are lesser as compared to a direct exposure to firewall. These alterations improve the firewall efficiency which is a major requirement in the current scenario.


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