I use these two socat commands for MITM all the time on my own stuff so I can see the traffic: socat -v TCP-LISTEN:666,forever,reuseaddr,fork TCP:example.co

I use these two socat commands for MITM all the time on my own stuff so I can see the traffic: socat -v TCP-LISTEN:666,forever,reuseaddr,fork TCP:example.com:8080 socat -v TCP-LISTEN:8080,forever,reuseaddr,fork ssl:example.com:443