Hey there. I'm the sole creator of https://tcpdump101.com which is an online (and offline) tool used to help people learn packet captures across a variety of platforms.

I'm currently working on the next version which is a full rebuild from scratch to include all the features the existing version has as well as new features to help with a variety of additional topics. Head over to https://dev.tcpdump101.com and follow along with the latest development version.

Your support means a lot. :)