Re: howto block ssh brute-force

["fgeek" <fgeek@fgeek.info>]

> Hello,
>
> once in a while (say, every two weeks) I get a brute-force
> login/password scan attempt in my server (i.e., a single ip tries
> dictionary account names and passwords at random). SSH access is
> needed by many users, and  (RSA/DSA key)-only access is, at present
> time, unwanted. So far none such attempt was lucky (to my knowlege),
> but it always gives me creeps when I see unusually big logwatch
> reports, and my contacts to sysadmins of originating networks are
> usually ignored.
>
> Any ideas?
>
> Maybe there is a way to temporarily block ips upon such attempts (is
> this a FAQ?), or maybe divert them like what portsentry does for
> portscans?
>

I suggest you should use long and 'safe' passwords. It helps you a lot,
but as many of people have answered about using different port and so on..
those are good ways too.

 - Henri Salo