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Intrusion Detection Systems (IDS) is defined as a component that analyses system and user operations in computer and network systems in search of activities considered undesirable from security perspectives. Applying mobile agent (MA) to intrusion detection design is a recent development and it is aimed at effective intrusion detection in distributed environment. From the literature, it is clear that most MA-based IDS that are available are not quite effective because their time to detection is high and detect limited intrusions. This paper proposes a way of classifying a typical IDS and then strategically reviews the existing mobile agent-based IDSs focusing on each of the categories of the classification, for example architecture, mode of data collection, the techniques for analysis, and the security of these intelligent codes. Their strengths and problems are stated wherever applicable. Furthermore, suggested ways of improving on current MA-IDS designs are presented in order to achieve an efficient mobile agent-based IDS for future security of distributed network. [ABSTRACT FROM AUTHOR]

As configuration of network services is faced with wide-spread deployment problems requiring considerable human efforts and involvement, Mobile Agent based Network Management System become a central concern. Moreover, the recent developments in the area of mobile agent based network management and ever improving Java Programming language have provided important tools for designing Secure Mobile Agent based Network Management Protocol (SMAN). Again, a roaming agent on a network consumes significant network bandwidth which implies that their frequency and number must be regulated. In a sensitive and intelligent network where the Agent behaviour can be altered dynamically during the lifetime, the proposed system must be genuinely secure with less bandwidth overhead. So, it is necessary to design packet filtering and secure protocol using the modified multi-signcryption protocol for the purpose of efficiency. [ABSTRACT FROM AUTHOR]