On 17 Sep 2008 , [EMAIL PROTECTED] entreated 
about
 "freebsd-questions Digest, Vol 233, Issue 7":

> Does anyone know of a utility that I can use with sshd to auto-block by IP if
> there are more then N failed attempts in a row?

yes, 'pf' the packet filter.
http://home.nuug.no/~peter/pf/en/bruteforce.html
(but you really should read the tutorial from the beginning)


--
       DA Fo rsyth            Network Supervisor
Principal Technical Officer -- Institute for Water Research
http://www.ru.ac.za/institutes/iwr/


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