greensnow ufw bash crontab

greensnow_ufw.sh

#!/bin/bash
while read line; do sleep .5;ufw delete deny from $line; done < greensnow.txt
sleep 1
rm greensnow.txt
wget https://blocklist.greensnow.co/greensnow.txt
sleep 1
while read line; do sleep .5;ufw deny from $line to any; done < greensnow.txt
exit

Be careful .This script may damage your iptables