#!/bin/bash
# set x to 0 - No reset
# set x to 1 - Reset firewall
# ---------------------------------------------------------------------------------------------------------------
# Added support for IPV6 Firewall
# ---------------------------------------------------------------------------------------------------------------
x=1

# set to true if it is CentOS / RHEL / Fedora box
RHEL=false

### no need to edit below ###
IPT=/sbin/iptables
IPT6=/sbin/ip6tables

if [ "$x" == "1" ];
then
if [ "$RHEL" == "true" ];
then
# reset firewall using redhat script
/etc/init.d/iptables stop
/etc/init.d/ip6tables stop
else
# for all other Linux distro use following rules to reset firewall
### reset ipv4 iptales ###
$IPT -F
$IPT -X
$IPT -Z
for table in $(</proc/net/ip_tables_names)
do
$IPT -t $table -F
$IPT -t $table -X
$IPT -t $table -Z
done
$IPT -P INPUT ACCEPT
$IPT -P OUTPUT ACCEPT
$IPT -P FORWARD ACCEPT
### reset ipv6 iptales ###
$IPT6 -F
$IPT6 -X
$IPT6 -Z
for table in $(</proc/net/ip6_tables_names)
do
$IPT6 -t $table -F
$IPT6 -t $table -X
$IPT6 -t $table -Z
done
$IPT6 -P INPUT ACCEPT
$IPT6 -P OUTPUT ACCEPT
$IPT6 -P FORWARD ACCEPT
fi
else
:
fi