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8. Basic Real-World Scenarios

Chapter 8. Basic Real-World Scenarios

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Beginning with this chapter, we’ll dig into the meat of packet analysis, as we use Wireshark to analyze real-world network problems. In the first part, we’ll analyze scenarios that you might encounter day to day as a network engineer, help desk technician, or application developer—all derived from my real-world experiences and those of my colleagues. We’ll use Wireshark to examine traffic from Twitter, Facebook, and ESPN.com to see how these common services work.

The second part of this chapter introduces a series of real-world problems. For each, I describe the situation surrounding each problem and offer the information that was available to the analyst at the time. Having laid the groundwork, we’ll turn to analysis, as I describe the method used to capture the appropriate packets and step you through the analysis process. Once analysis is complete, I offer a full solution to the problem or point you to potential solutions, along with an overview of lessons learned.


  

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