vi /etc/sysconfig/iptables -A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT(容許80端口經過防火牆) -A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT(容許3306端口經過防火牆)
特別提示:不少網友把這兩條規則添加到防火牆配置的最後一行,致使防火牆啓動失敗,正確的應該是添加到默認的22端口這條規則的下面
添加好以後防火牆規則以下所示:html
###################################### # 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 3306 -j ACCEPT -A INPUT -j REJECT –reject-with icmp-host-prohibited -A FORWARD -j REJECT –reject-with icmp-host-prohibited COMMIT #####################################
/etc/init.d/iptables restart #最後重啓防火牆使配置生效
發現這種方法並很差使,因而嘗試另一種,經過命令去添加端口的方法。shell
/sbin/iptables -I INPUT -p tcp --dport 80 -j ACCEPT /etc/rc.d/init.d/iptables save /etc/init.d/iptables restart /etc/init.d/iptables status
這樣就搞定了,查看效果tcp