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阿里雲伺服器遠端連線mysql資料庫

通過yum安裝好mysql 之後, 檢視防火牆配置開發埠。由於阿里雲

CentOS7預設的防火牆不是iptables,而是firewalle.

出現此情況可能是iptables防火牆未安裝。

執行下面命令:

#停止firewalld服務

systemctl stop firewalld

#禁用firewalld服務

systemctl mask firewalld

開啟

systemctl unmask firewalld

 

安裝iptables-services:

yum install iptables-services


設定開機啟動:

systemctl enable iptables

systemctl [stop|start|restart] iptables
#or
service iptables [stop|start|restart]

service iptables save
#or
/usr/libexec/iptables/iptables.init save

然後

service iptables status

58dcca8fee507.jpg

 

開啟: service iptables start

關閉: service iptables stop

然後配置埠,

vim /etc/sysconfig/iptables

# sample configuration for iptables service
# you can edit this manually or use system-config-firewall
# please do not ask us to add additional ports/services to this default configuration
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT

-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT

最後 重要一步!上阿里雲控制檯 新增安全組規則!

然後就可以了!