CentOS 安装使用Iptables
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2018-01-03
10:15:16
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并且安装 iptables-services：
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1. yum install iptables-services
设置开机启动：
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1. systemctl enable iptables
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1. systemctl stop iptables
2. systemctl start iptables
3. systemctl restart iptables
4. systemctl reload iptables
配置：
/etc/syscong/iptables
*lter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1089:149059]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
#-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
#-A INPUT -p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
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