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Linux配置防火墻 開啟80端口、3306端口的方法

  發(fā)布時間:2012-10-16 16:54:17   作者:佚名   我要評論
Linux下在防火墻中開啟80端口、3306端口的方法,需要的朋友可以參考下
vi /etc/sysconfig/iptables

-A INPUT -m state –state NEW -m tcp -p tcp –dport 80 -j ACCEPT(允許80端口通過防火墻)
-A INPUT -m state –state NEW -m tcp -p tcp –dport 3306 -j ACCEPT(允許3306端口通過防火墻)
特別提示:很多網(wǎng)友把這兩條規(guī)則添加到防火墻配置的最后一行,導致防火墻啟動失敗,正確的應該是添加到默認的22端口這條規(guī)則的下面

添加好之后防火墻規(guī)則如下所示:

復制代碼
代碼如下:

# 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
#最后重啟防火墻使配置生效

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