恢复IpTables的默认设置(Script)

王朝other·作者佚名  2008-05-18
窄屏简体版  字體: |||超大  

##!/bin/sh

#

# Resets the iptables to default values, in case you screw something up

# while setting your rc.firewall up - as I did quite a few times;)

#

# Author: Oskar Andreasson <blueflux@koffein.net>

# (c) of BoingWorld.com, use at your own risk, do whatever you please with

# it as long as you don't distribute this with due credits to

# BoingWorld.com

#

# reset the default policies in the filter table.

#

/usr/local/sbin/iptables -P INPUT ACCEPT

/usr/local/sbin/iptables -P FORWARD ACCEPT

/usr/local/sbin/iptables -P OUTPUT ACCEPT

#

# reset the default policies in the nat table.

#

/usr/local/sbin/iptables -t nat -P PREROUTING ACCEPT

/usr/local/sbin/iptables -t nat -P POSTROUTING ACCEPT

/usr/local/sbin/iptables -t nat -P OUTPUT ACCEPT

#

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

#

/usr/local/sbin/iptables -F

/usr/local/sbin/iptables -t nat -F

#

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

#

/usr/local/sbin/iptables -X

/usr/local/sbin/iptables -t nat -X

 
 
 
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