Auto blacklist ssh connections ...

DA Forsyth d.forsyth at
Thu Sep 18 06:43:19 UTC 2008

On 17 Sep 2008 , freebsd-questions-request at entreated 
 "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.
(but you really should read the tutorial from the beginning)

       DA Fo rsyth            Network Supervisor
Principal Technical Officer -- Institute for Water Research

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