On 12.11.2011, Roger wrote:
Is there a way to limit:
-number of log in attempts to 2,
-the duration of a log in attempt to 3 seconds or less
-the number of times a username can be tried, prefer it set at 2 and
then not again for 24 hours if it fails.
[....]
Switch off login with password and root login, and only allow login
with RSA key. After that, you can safely ignore the "white noise" :-)