Hi,
there is an easy configurable tool for preventing brute force attacks, 
it's called "fail2ban". It sifts through logs for attacks on security 
critical ports and blocks login attempts from ip-addresses which fail 
too often in too short a timeframe (configurable).

http://www.fail2ban.org

Cheers,
Harry


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* Harry Enke                            AstroGrid-D              *
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