Security Investigate

Detecting and Preventing Assaults on Network & Transport Layers for Linux Systems

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Executive Summary

Network Security is an area of major concern to any organization. This paper focuses on various types of attacks on the network & transport layers and presents samples of scripts that aid in detecting and preventing such attacks. In the authors' paper, they have focus on following attacks: smurf IP spoofing attack, Distributed Denial of Service Attacks (DDoS), TCP Sequence Prediction Attacks and TCP SYN Floods. If they suspect a system is being targeted, they can capture the packets on its network interface(s) to identify the types of packets that are hitting the system, as well as the origin of the packets.

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