防火墙shell脚本

#!/bin/bash


# Stop iptables service first
service iptables stop


# Load FTP Kernel modules
#/sbin/modprobe ip_conntrack_ftp
#/sbin/modprobe ip_nat_ftp


# Inital chains default policy
/sbin/iptables -F -t filter
/sbin/iptables -P INPUT DROP
/sbin/iptables -P OUTPUT ACCEPT


# Enable Native Network Transfer
/sbin/iptables -A INPUT -i lo -j ACCEPT


# Accept Established Connections
/sbin/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT


# ICMP Control
#/sbin/iptables -A INPUT -p icmp -m limit --limit 1/s --limit-burst 10 -j ACCEPT
/sbin/iptables -A INPUT -p icmp -j ACCEPT


#drop IP
#iptables -I INPUT -s ***.***.***.*** -j DROP




# WWW Service
/sbin/iptables -A INPUT -p tcp --dport 80 -j ACCEPT


# SSH Service
/sbin/iptables -A INPUT -p tcp --dport 22 -j ACCEPT


# mysql


/sbin/iptables -A INPUT -s 10.10.10.0/24 -p tcp --dport 3306 -j ACCEPT