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We discuss the need for adaptive load control in network security environments in order to cope with the increasing bandwidth requirements. In earlier work, we developed a simple model to study the behavior of feedback loops for self-configuring security environments. We primarily considered the traffic between the monitoring probes, the IDS systems, and associated firewalls. We now enhanced the model...
In recent years, the network attack become more and more widespread and difficult in against. The traditional technique, such as Firewall is good, but when malicious traffic originates from inside network or enters through a hole in the firewall you may need another line of defense to protect you. This is a article introducing the concepts of IDS, what they do, the functions they serve, the classification...
As the number of security system to be managed grows, the task of managing these security systems depend on numerous system and vendor specific issue. To prevent the managers from drowning in complicated detail, the managerpsilas policy of conceptual level needs to be translated to low-level policy which systems understand. Polices which are derived from the goal of management define the desired behavior...
Firewalls are important elements in today's network security. This paper presents a flexible policy-based firewall management framework. The framework provides policy-based management to manage different types of firewalls, such as packet filter firewall, application layer firewall. It is important to know whether the firewall policy configuration and enforcement is correct. We believe that there...
The 3 most important issues for anomaly detection based intrusion detection systems by using data mining methods are: feature selection, data value normalization, and the choice of data mining algorithms. In this paper, we study primarily the feature selection of network traffic and its impact on the detection rates. We use KDD CUP 1999 dataset as the sample for the study. We group the features of...
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