iptables写法

iptables -F

iptables -X

iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

iptables -A INPUT -i lo -j ACCEPT

iptables -A INPUT -s 192.168.0.0/24 -j ACCEPT

iptables -A INPUT -p tcp --dport 25 -j ACCEPT

iptables -A INPUT -p tcp --dport 110 -j ACCEPT

iptables -A INPUT -p tcp --dport 80 -j ACCEPT

iptables -A INPUT -j REJECT

service iptables save

service iptables restart