#!/usr/bin/bash
# Echoing what is happening
echo "Stopping IPv4 firewall and allowing everyone..."
# Create var for ''iptables''
ipt=$(which iptables)
## Failsafe - die if /sbin/iptables not found
[ ! -x "$ipt" ] && { echo "$0: \"${ipt}\" command not found."; exit 1; }
# Set ''INPUT'' policy to ''ACCEPT''
$ipt -P INPUT ACCEPT
# Set ''FORWARD'' policy to ''ACCEPT''
$ipt -P FORWARD ACCEPT
# Set ''OUTPUT'' policy to ''ACCEPT''
$ipt -P OUTPUT ACCEPT
# Flush all rules
$ipt -F
# Delete all user defined chains
$ipt -X
# Flush all from table ''nat''
$ipt -t nat -F
# Delete table ''nat''
$ipt -t nat -X
# Flush all from table ''mangle''
$ipt -t mangle -F
# Delete table ''mangle''
$ipt -t mangle -X
# Flush all from table ''raw''
$ipt -t raw -F
# Delete table ''raw''
$ipt -t raw -X