scripts/netstat-in.sh


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#! /bin/bash

query=""
for port in `netstat -lntu | tail -n +3 | grep -v "127.0.0.1" | awk -e '{print $4}' | rev | cut -d ':' -f 1 | rev | sort -n | uniq`; do 
    [ $port -gt 32768 ] && continue;
    [ -z "$query" ] && query="sport = :$port" || query="$query or sport = :$port"
done

eval /sbin/ss -nrtu state established "'( $query ) '" | tail -n +2 | grep -v localhost | awk -F'[:\t ]+' -e '$6 != $4 { print $6, $5 }'