Decode a TCP port using a specific protocol (e.g. HTTP)

Packet analysis tool, CLI version of Wireshark.
More information: <https://tshark.dev/>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

tshark -d tcp.port=={{8888}},{{http}}

click the source code to copy install tshark on any operating system with command-not-found.com