Auto add bad ip to /etc/host.deny?

From: range (range_at_nospam.hinet.net)
Date: 05/15/05 

Date: Sun, 15 May 2005 20:43:03 +0800

Hi :
 I checked the /var/log/authiog,
saw many bad ip try to login by ssh with wrong account and password,

 I can manual add these IPs to /etc/host.deny ,
But if any tools can analyze for wrong login outrun ?(setup by manual)
times,
then the tools add the ip to host.deny automatic ?

 Thank you

¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@range 05'05/15

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