It works on most *nix operating systems and has a ported version for Windows. It is distributed under a BSD license and is free to download and use. The tcpdump tool was developed in the late 1980s and has been a network troubleshooting staple since that time. I also walk you through a mock-up of a situation I found myself in previously.
Today, I take a deep dive into the tcpdump tool-what it is used for and what you need to know. I can't count the number of times that I ran into a situation where I needed to use it for troubleshooting but didn't fully understand it or what options I needed to know. If there were one network utility that I wish had been demystified for me as a support engineer, it is the tcpdump tool.
Download RHEL 9 at no charge through the Red Hat Developer program.
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