This exercise is one of our challenges to help you learn how to analyze PCAP files

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PCAP badge


To get started with this badge, you will need to install Wireshark to inspect the provided network dump. The challenge involves downloading a PCAP file, which you can obtain using the provided link. This file contains a TLS connection where the client authenticates to the server with a client certificate.

In this exercise, the client sends a client certificate as part of the TLS connection to authenticate against the server. By examining the "Certificate, Client Key Exchange" message from the client, you can find the certificate. The key to solve this challenge is identifying the common name used by the client, which is crucial for establishing the TLS connection.

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