ssh brute force

[Chris Jones]

Todor Dragnev wrote:

>I want to block ssh dictionary attack with freebsd. 
>[...]
>Is it posible to make in this way with ipfw, ipf or pf on freebsd ?
>  
>

I'm looking at having a script look at SSH's log output for repeated 
failed connection attempts from the same address, and then blocking that 
address through pf (I'm not yet sure whether I want to do it temporarily 
or permanently).