IdentityFile ~/.ssh/touch_key
IdentityFile ~/.ssh/id_ed25519_sk
IdentityFile ~/.ssh/id_ed25519_sk_secondary

ControlMaster  auto
ControlPath    ~/.ssh/session.%r@%h:%p
ControlPersist 5m

Host git.francof.net gf
    HostName        git.francof.net
    User            git
    Port            522

Host github.com gh
    HostName        github.com
    User            git
    Port            22