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SSL Client key & certificate for managed MySql database

Posted on January 5, 2020

MySQL

Security

DigitalOcean

Databases

By bart8769261ebbd5ac990ff3e2

Various tutorials state 3 files are needed to connect a MySQL client over SSL:

CA certificate
Client certificate
Client key

(for example in: https://www.digitalocean.com/community/tutorials/how-to-configure-ssl-tls-for-mysql-on-ubuntu-18-04)

In the overview of my DigitalOcean managed database I’m able to download the CA certificate. Do I need the other two files as well?

My problem: on my Mac I’m able to connect over SSL using Table Plus. However on Windows I always get a SSL invalid error (in both Table Plus and MySQL Workbench)

What can I do to connect on Windows? Thanks!

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alexdo

January 7, 2020

Hello, @bart8769261ebbd5ac990ff3e2

The server’s certificate and key pair are enough to provide encryption for incoming connections. You need to have the ssl key and certificate in order to connect to the database.

However, you aren’t yet fully leveraging the trust relationship that a certificate authority can provide. By distributing the CA certificate to clients — as well as the client certificate and key — both parties can provide proof that their certificates were signed by a mutually trusted certificate authority. This can help prevent spoofed connections from malicious servers.

In order to implement this extra, optional safeguard, we will transfer the appropriate SSL files to the client machine, create a client configuration file, and alter the remote MySQL user to require a trusted certificate.

In MySQL Workbench you can import the SSL files in the SSL Configuration - Setting SSL tab and simply upload the SSL KEY, SSL CERT and the SSL CA CERT files.

Let me know how it goes.

Regards, Alex

lucasraziel

September 26, 2020

Same thing happened to me. I am using PostgreSql, and there should be a link to download the certificate in the overview page of the managed database.

mpaccione1991

May 14, 2020

Same problem as well… nowhere does it say where the SSL Key or SSL Cert is. Only the CA Cert is available for download.

The managed database is seperate of the droplet afaik. This is really lacking in directions and help in the UI.

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