message from my hoster: “ssh_exchange_identification: Connection closed by remote host”

• https://stackoverflow.com/questions/10127818/ssh-exchange-identification-connection-closed-by-remote-host-under-git-bash
• https://stackoverflow.com/a/15822474/3119172 – the only reasonable answer I read there:

I just ran into this today and it was because the server I was trying to connect to was overloaded with processing. So it may be possible that the server is low on memory or CPU starved.

• https://unix.stackexchange.com/questions/128894/ssh-exchange-identification-connection-closed-by-remote-host-not-using-hosts-d