echo "========== UNbanning this host: ==========="
host $1

echo "unbanning ip: "$1
/sbin/iptables -D INPUT -s $1 -j DROP

# in case autoban.sh is used
echo "remove ip from var log secure"
sed -i '/$1/d' /var/log/secure
sed -i '/$1/d' /var/log/secure_invalid_preauth.log

# in both cases save your results
service iptables save