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In this PCAP 15 challenge, you'll use Wireshark to analyze a network dump file. Begin by installing Wireshark, a powerful network protocol analyzer. Download the provided PCAP file, which contains a single HTTP request. Your task is to inspect the HTTP header to find a specific cookie that holds the key for this exercise.

Once you open the PCAP file in Wireshark, you can follow the TCP stream to view the full HTTP request and response. The key is located within the cookie header of the GET request. This exercise helps you understand how cookies work and their role in web authentication by analyzing network traffic.