1、查看防火墻狀態，哪些端口開放了

/etc/init.d/iptables status

2、配置防火墻

vi /etc/sysconfig/iptables?? ######################################? # 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 -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT? -A INPUT -m state –state NEW -m tcp -p tcp –dport 8080 -j ACCEPT? -A INPUT -j REJECT –reject-with icmp-host-prohibited? -A FORWARD -j REJECT –reject-with icmp-host-prohibited? COMMIT? #####################################

#最后重啟防火墻使配置生效

/etc/init.d/iptables restart

總結

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