Who's listening on your machine?

counterintel.bash

#!/usr/bin/env bash
echo "The following programs are listening for incoming connections:"
lsof -i | grep LISTEN | awk '{print $1}' | sort | uniq | while read x; do
  printf "%10s \n\t %s" "$x" (psgrep $x | sed 1d | awk '{print $11}' | sort | uniq); printf "\n\n"
done

counterintel.fish

#!/usr/bin/env fish
echo "The following programs are listening for incoming connections:"
lsof -i | grep LISTEN | awk '{print $1}' | sort | uniq | while read x
  printf "%10s \n\t %s" "$x" (psgrep $x | sed 1d | awk '{print $11}' | sort | uniq); printf "\n\n"
end