開啟防火墻
systemctl start firewalld
調(diào)整3306端口外網(wǎng)可訪問
firewall-cmd --zone=public --add-port=3306/tcp --permanent
重啟防火墻
firewall-cmd --reload
關(guān)閉防火墻
systemctl stop firewalld
systemctl start firewalld
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --reload
systemctl stop firewalld