# Rider Database & MySQL connection issues

Q:
在 General tab 填寫完連線資訊後，測試連線時顯示

> [08S01] Communications link failure
> The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
>
> mysql no appropriate protocol (protocol is disabled or cipher suites are inappropriate)

A:

進入 **Advanced** tab，找到 **enabledTLSProtocols** 欄位，加上 `TLSv1.2` 即可。

###### tags: `mysql` `rider` `db`