直接上方法: 首先配置CentOS下防火墙iptables规则: # vim /etc/sysconfig/iptables 向其中加入下列规则: -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…