[lug] Re: What to do about SSH attacks

David Anselmi anselmi at anselmi.us
Sat Oct 30 13:49:33 MDT 2004


Sean Reifschneider wrote:
> On Thu, Oct 28, 2004 at 07:52:10AM -0600, Bill Thoen wrote:
> 
>>I've been noticing ever more concerted attacks via ssh lately. The last 
>>two last night were from karp.ece.cmu.edu: 34 times, and 206.166.198.131: 
> 
> Coincidentally, I just wrote something up on this in my journal:
> 
>    http://www.tummy.com/journals/entries/jafo_20041029_151145

In the third paragraph you say:

'then change "/etc/ssh/sshd_config" so that "PasswordAuthentication" is 
"no"'

On Debian (Sarge) systems you also have to set "UsePAM" to "no" or 
passwords will still work.

FWIW,
Dave





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