http://dacxzjk3kq5mmepbdd3ai2ifynlzxsnpl2cnkfhridqfywihrfftapid.onion/help/user/ssh.md
To ensure you're connecting to the correct server, check the server's SSH host keys fingerprint. For:
GitLab.com, see the SSH host keys fingerprints documentation.
GitLab Self-Managed or GitLab Dedicated, see https://gitlab.example.com/help/instance_configuration#ssh-host-keys-fingerprints
where gitlab.example.com is the GitLab instance URL.