flush iptable

#!/bin/sh

 

# 

# rc.flush-iptables - Resets iptables to default values. 

# 

 

#

# 2. Module loading.

#

 

#

# Needed to initially load modules

#

/sbin/depmod -a

 

#

# 2.1 Required modules

#

/sbin/modprobe ip_tables

/sbin/modprobe nf_conntrack

/sbin/modprobe ip_conntrack  #suse /sbin/modprobe nf_conntrack

/sbin/modprobe iptable_filter

/sbin/modprobe iptable_mangle

/sbin/modprobe iptable_nat

/sbin/modprobe ipt_LOG

/sbin/modprobe ipt_limit

/sbin/modprobe ipt_state

 

#

# Configurations

#

IPTABLES="/usr/sbin/iptables"

 

#

# reset the default policies in the filter table.

#

$IPTABLES -t filter  -P INPUT ACCEPT

$IPTABLES -t filter -P FORWARD ACCEPT

$IPTABLES -t filter -P OUTPUT ACCEPT

 

#

# reset the default policies in the nat table.

#

$IPTABLES -t nat -P PREROUTING ACCEPT

$IPTABLES -t nat -P POSTROUTING ACCEPT

$IPTABLES -t nat -P OUTPUT ACCEPT

 

#

# reset the default policies in the mangle table.

#

$IPTABLES -t mangle -P PREROUTING ACCEPT

$IPTABLES -t mangle -P OUTPUT ACCEPT

 

#

# flush all the rules in the filter and nat tables.

#

$IPTABLES -t filter -F

$IPTABLES -t nat -F

$IPTABLES -t mangle -F

 

#

# erase all chains that's not default in filter and nat table.

#

$IPTABLES -t fileter -X

$IPTABLES -t nat -X

$IPTABLES -t mangle -X