iptable 初始动作 开发 ssh

#!/bin/bash
iptables -F
iptables -X
iptables -Z
iptables -P INPUT DROP
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -i eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT

iptables -A INPUT -i eth0 -p tcp --dport 21 -j ACCEPT

iptables -A INPUT -i eth0 -p tcp --dport 65400:65410 -j ACCEPT