Development of Policy Script for Intrusion Detection System
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Date
2019
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Punjab Agricultural University, Ludhiana
Abstract
The security and management of network has become a major issue in the arena of Internet. The attacker can access different types of data i.e. personal data, bank account data, and unauthorized use of system resources in campus network. Various policies and procedures have been developed to secure the network communication over the internet by employing firewalls, encryption, and virtual private networks. On the bases of security requirements, the firewall rules are created to monitor the incoming traffic. Packet filtering technique has become a regular and inexpensive approach to secure the transfer of data over the internet and is used as a first line of defense against attacks. Strong filtering techniques in IPTABLES can be used to make a network robust in nature for securing data transfer or prevent it from attacks. Research is done, not only to safe guard the network Distributed Denial of Service (DDOS) attacks but also for the management of the network bandwidth. The proposed policy script based on the size and count of packet, blocks the attacker for a period of time. With the use of this policy, it observed that 33.8% bandwidth is always available to genuine users of the IT services.
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