The extensive use of computers and networks for exchange of information has also had ramifications on the growth and spread of crime through their use. Law enforcement agencies need to keep up with the emerging trends in these areas for crime detection and prevention. Among the several needs of such agencies are the need to monitor, detect and analyze undesirable network traffic. However, the monitoring, detecting, and analysis of this traffic may be against the goal of maintaining privacy of individuals whose network communications are being monitored.
PickPacket is a network monitoring tool that can handle the conflicting issues of network monitoring and privacy through its judicious use. This thesis discusses the implementation of RADIUS support in PickPacket and how the information in RADIUS packets can be used to monitor dialup users who are generally allocated dynamic IP addresses by the Internet Service Providers.
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Sanjay Kumar Jain can be reached at jainsk_bits[AT]yahoo.com.