I would like to ask if it´s possible to change the credentials for REMOTE BACKUP
CSF security check advices it (see below).
So it would be great to change Port for REMOTE BACKUP and maybe use cert-auth instead of password
Check SSH on non-standard port
You should consider moving SSH to a non-standard port [currently:22] to evade basic SSH port scans. Don’t forget to open the port in the firewall first if necessary
Check SSH PasswordAuthentication