Host alias
    HostName cyberduck.ch
    User root
    IdentityFile ~/.ssh/version.cyberduck.ch-rsa

Host portalias
    Port 555

Host server2
    HostName 192.168.5.38
    ProxyJump user1@jumphost1.example.org:22
    User fred

Host bastion-host-nickname
    HostName bastion-hostname
    User user1
    Port 2222

Host remote-host-nickname
    HostName remote-hostname
    ProxyJump bastion-host-nickname
