iptables in linux

Heinz Diehl htd at fritha.org
Sat Nov 12 19:37:36 UTC 2011

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" :-)


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