On 06/29/2017 04:25 PM, stan wrote:
This is a big topic, it will take a lot of research on your part to
understand and feel comfortable with your security, if you choose to
go there. But the above should harden you to a point where it will be
difficult to exploit you.
You can always do what I do: install and run both denyhosts and fail2ban
on the grounds that whatever one misses will probably be caught by the
other. And, don't allow remote logins by root; that way, even if an
attacker does get in, he doesn't have root access by default.