linux iptables 防火墙设置
查看端口
iptables -L -n –line-num
添加端口
iptables -A INPUT -p tcp –dport 80 -m state –state NEW,ESTABLISHED,RELATED -j ACCEPT
关闭端口
iptables -A OUTPUT -p tcp –sport 80 -m state –state NEW,ESTABLISHED,RELATED -j ACCEPT
保存配置
/sbin/service iptables save
重启
service iptables restart
