配置防火墻,開啟80端口斥杜、3306端口 備份原有的 iptables , 添加合適的配置
cp /etc/sysconfig/iptables /etc/sysconfig/iptables_bak
vi /etc/sysconfig/iptables
添加端口開放
-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
總體效果如下
###############添加好之后防火墻規(guī)則如下所示####################
# 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
######################################################
關(guān)閉SELINUX
cp /etc/selinux/config /etc/selinux/config_bak
vi /etc/selinux/config
添加一行內(nèi)容:
SELINUX=disabled
:wq保存退出
#重啟系統(tǒng)
shutdown -r now