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This assignment requires research not only from textbooks but also from online academic resources. Please respond to the following questions in detail, ideally with examples.
Explain how statistical anomaly detection and rule-based intrusion detection are utilized to identify different types of intruders.
An example of a host-based intrusion detection tool is the Tripwire program. Tripwire is a file integrity checking tool that regularly scans files and directories within the system, notifying the administrator of any modifications. It employs a secure database of cryptographic checksums for each file monitored and compares these values with the checksums recalculated during each scan. Configuring Tripwire requires selecting the files and directories to monitor and specifying allowable changes for each. For instance, it can be set to permit new entries in log files while preventing modifications of existing entries. Discuss the advantages and disadvantages of employing such a tool, taking into account the challenge of identifying which files should change infrequently, which may change more regularly, and which change rapidly, rendering them uncheckable. Additionally, evaluate the workload related to the configuration of the tool and the monitoring responsibilities of the system administrator?
Your response should reflect your understanding and insights after reviewing the textbook chapter and conducting research from academic online resources. Please remember to cite your sources appropriately.
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