centos6.5iptables默认配置
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# Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT |
查看规则
iptables -nL --line-number
插入规则
iptables -I INPUT -p tcp --dport 8080 -j ACCEPT
更改规则
iptables -R INPUT 1 -p tcp --dport 8000 -j ACCEPT
iptables -R INPUT 1 -p tcp -s 10.240.240.56 --dport 8000 -j ACCEPT
删除规则
iptables -D INPUT 6
保存与重启
/etc/init.d/iptables save
/etc/init.d/iptables restart
导出与导入
cd /etc/sysconfig
iptables-save > iptablesRules
iptables-restore <iptablesRules
本文转自 xoyabc 51CTO博客,原文链接:http://blog.51cto.com/xoyabc/1659225,如需转载请自行联系原作者