# Networking
Usually networks of computers.


Check out old protocols with modern implementations at https://gitea.gf4.pw/ki9/ncat-services#ncat-services


See also
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<https://netlab.tools/> looks like a good tool to virtualize networks, all text-based CLI config.

<https://www.computer-networking.info/> → online e-book about networking, protocols and has various practice exercises.