[Fedora] Re: Blocking SSH ... BUT...

Martin Marques martin at bugs.unl.edu.ar
Tue Sep 18 20:44:53 UTC 2007


Ashley M. Kirchner wrote:
> Martin Marques wrote:
>> You have some problem. If it's in deny.hosts it can't get to the sshd 
>> server, unless you have something wrong on the server.
>    Yes I do, with constant banging on the service port.  Adding a 
> service in hosts.deny won't stop someone from continuously hitting it 
> and generating a bunch of  'tcpwrappers (unknown, xxx.xxx.xxx.xxx) 
> rejection' messages in syslog.  CONSTANTLY.  However, if I reset the 
> connection and block them for the next 120 seconds, it has, so far, 
> proven to completely stop the constant banging.  They try once, get a 
> reject (from hosts.deny) and the second time they try iptables drops 
> their connection they go away.  Case closed.

Ashley, thats what fail2ban does. :-)

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