How do I sniff a port using tcpdump?

I used this to check TCP packets coming into my webserver ( on port 443.

tcpdump -i en0 -I host and port 443


I'm a freelance UNIX engineer working in the UK. I'm married to Tina and between us we have six children. I'm a bit of an Apple fan boy, and all the Windows machines in the house are a thing of the past now.


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