linux中iptables启动脚本

开启： chkconfig iptables on
关闭： chkconfig iptables off

#!/bin/bash
   
case "$1" in
   
start)
   
#Policy
iptables -P INPUT DROP
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
   
#Rules
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
iptables -A INPUT -m state --state INVALID -j DROP
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p icmp -j ACCEPT
#Client
iptables -A INPUT -i eth0 -s 222.222.222.222 -j ACCEPT
iptables -A INPUT -i eth0 -s 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -i eth0 -s 172.10.0.0/24 -j ACCEPT
   
#HTTP
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
#SSH
iptables -A INPUT -i eth0 -p tcp --dport 62222 -j ACCEPT
#MySQL
iptables -A INPUT -s 172.10.0.0/24 -p tcp --dport 3306 -j ACCEPT
   
;;
   
stop)
   
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -F
   
;;
   
esac