#!/bin/bash export PATH=$PATH:/sbin:/usr/sbin #hosts liberados HOSTS="65.111.191.227 65.111.191.173 65.111.191.144 177.137.3.253 177.20.224.209 65.111.162.8" PORTAS="20:21 80 443 30000:35000 2021" iptables -F iptables -X iptables -A INPUT -j ACCEPT -m state --state ESTABLISHED,RELATED for h in $HOSTS do iptables -A INPUT -j ACCEPT -s $h done for p in $PORTAS do iptables -A INPUT -j ACCEPT -p tcp --dport $p done iptables -P INPUT DROP