firewall-test.sh

#!/bin/bash

for (( r = 12; r <= 12; ));do
    for (( i = 0; i < 10000; i++ )); do
        echo -n "IP:"| echo -n 172.16.90.$r && echo
        echo -n "Testing Port -> " && echo $i
        hping3 -S -c 2 -p $i 176.16.90.$r 2>/dev/null | grep -i "rtt"
    done
done
 ## lazy