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Connect to SingleStore using TLS/SSL

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Enable SSL/TLS for a Connection

Most client connections are TLS/SSL-enabled by default, even if no parameters are specified. To ensure a TLS/SSL-enabled connection, use either (or both) of the following options:

  • Use a client side flag, such as --ssl-mode=REQUIRED in the MySQL/SingleStore clients.

  • Use a user created with REQUIRE SSL, which enforces SSL on the server side.

Certificate-Based Authentication

The VERIFY_CA option is not required to use TLS/SSL. However, it can be used to prevent sophisticated man-in-the-middle attacks where a would-be attacker can impersonate a server when SSL is disabled or create a secure connection by impersonating a server using an illegitimate server certificate. If this is a concern, then use offline CA files in any SSL connection (not only SingleStore).

Refer to SSL Secure Connections for more information.

Refer to The SingleStore JDBC Driver for details on how to connect using JDBC.

Last modified: March 16, 2026

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK

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