If this fails, Fivetran automatically retries the connection in clear text inside the SSH tunnel. IMPORTANT: If you set the Require TLS through tunnel toggle to OFF, Fivetran first attempts to connect over TLS inside the SSH tunnel. To disable TLS, set the Require TLS through tunnel toggle to OFF. We recommend that you keep TLS enabled unless you know it is safe to forgo it. RedHat version 9+ and AWS-hosted SSH servers may need this command if they continue to get an Auth Failed error: sudo update-crypto-policies -set LEGACY.Īs an extra layer of security, Fivetran enables TLS on your SSH connection by default. You should expect downtime for connectors within this group during the migration process. To force an SHA-1 public key signature, you must modify your sshd_config file (in /etc/ssh) and add the following the host key will require you to validate the new fingerprint in your connector and destination after running a setup test. You can use the following options to force enable the SHA-1 signature scheme: NOTE: If you encounter SSH connectivity errors even though your configuration is correct, it may be because your version of OpenSSH requires a connection using the SHA-1 signature scheme. Fivetran supports SHA-2 connectivity with the following versions of OpenSSH: If that does not work, then we will attempt to connect using an SHA-1 RSA public key signature. As a result, Fivetran will attempt to connect using an SHA-2 RSA public key signature by default. IMPORTANT: The SHA-1 signature scheme has been deprecated from OpenSSH. The public SSH key is generated uniquely for each Fivetran destination. Make sure that you don’t introduce any line breaks when cutting and pasting. Using your favorite text editor, add the public SSH key from the database setup page in your Fivetran dashboard to the authorized_keys file. Log in to your SSH tunnel host and run the following commands: We support multiple connectors on a single SSH tunnel depending on the data volume and network bandwidth.įollow the SSH tunnel setup instructions for your operating system. IMPORTANT: Fivetran generates a unique public SSH key for each destination. ![]() You’ll also need to create an SSH user for Fivetran. The tunnel server's SSH port needs to be accessible from Fivetran's IP. To connect via an SSH tunnel, you need to set up an SSH tunnel server that has access to your database port. You can also choose this connection method for an added layer of security. ![]() If it's not possible to provide direct access to your database port, you can connect to Fivetran via an SSH tunnel. For more information about how to do this, visit the setup guide for your database. The fastest and easiest way to connect is to allow Fivetran's IP direct access to your database port. Using AWS PrivateLink, Azure Private Link, or Google Cloud Private Service Connect (Business Critical only).There are several ways to connect Fivetran to your database: ![]() Edit on GitHub Database Connection Options link
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