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linux 防火墙相关

2015-03-10 14:25  hf_sun  阅读(161)  评论(0编辑  收藏  举报

打开编辑:  vi /etc/sysconfig/iptables

重启防火墙 :service iptables restart

# 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    //打开22端口
-A INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT    //打开80端口
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT