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International Journal of Advanced Computer Science and Applications(IJACSA), Volume 8 Issue 9, 2017.
Abstract: Security has become a critical factor in today’s computation systems. The security threats that risk our confidential information can come in form of seemingly legitimate client request to server. While illegitimate requests consume the number of connections a server can handle, no valid new connections can be made. This scenario, named SYN-flooding attacks can be controlled through a fair scheduling algorithm that provides more opportunity to legal requests. This paper proposes a detailed scheduling approach named Largest Processing Time Rejection- Particle Swarm Optimization (LPTR-PSO) that defends the server against varying intensity SYN-flood attack scenarios through a three-phased algorithm. This novel approach considers the number of half-open connections in the server buffer and chooses a phase accordingly. The simulation results show that the proposed defense strategy improves the performance of under attack system in terms of memory occupancy of legal requests and residence time of attack requests.
Zonayed Ahmed, Maliha Mahbub and Sultana Jahan Soheli, “Defense against SYN Flood Attack using LPTR-PSO: A Three Phased Scheduling Approach” International Journal of Advanced Computer Science and Applications(IJACSA), 8(9), 2017. http://dx.doi.org/10.14569/IJACSA.2017.080957
@article{Ahmed2017,
title = {Defense against SYN Flood Attack using LPTR-PSO: A Three Phased Scheduling Approach},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2017.080957},
url = {http://dx.doi.org/10.14569/IJACSA.2017.080957},
year = {2017},
publisher = {The Science and Information Organization},
volume = {8},
number = {9},
author = {Zonayed Ahmed and Maliha Mahbub and Sultana Jahan Soheli}
}
Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.