From the course: CISSP Cert Prep (2021): 4 Communication and Network Security

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Protocol analyzers

Protocol analyzers

From the course: CISSP Cert Prep (2021): 4 Communication and Network Security

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Protocol analyzers

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- [Instructor] Protocol analyzers are an important tool available to both network and security professionals. They allow administrators to peer into the actual packets traveling on a network. And this is very useful when you're trying to troubleshoot network issues or investigate security incidents. Protocol analyzers must be used carefully, however, because they can also jeopardize the confidentiality of sensitive information when used in the wrong hands. We're going to use Wireshark. the most common and free protocol analyzer. Right here, I'm running Wireshark on a server that runs in the cloud, and I have an RDP session open to the system from my laptop that's running over port 3389. I'm going to go here and just click start to initiate the packet capture, and immediately the screen begins filling up with lines of communication. Each one of these lines on the screen, and you can see it started scrolling already. There's so…

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