RE: Automatic blocking

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And lets say I try to log in late at night and mistype my password a number
of times in a row -- I will be locked out.... or I have a script run to log
in and it goes haywire and attempts many times in a second or two before you
shut it down.

-----Original Message-----
From: fedora-list-bounces@xxxxxxxxxx [mailto:fedora-list-bounces@xxxxxxxxxx]
On Behalf Of Brian Chadwick
Sent: Wednesday, August 16, 2006 7:24 PM
To: For users of Fedora Core releases
Subject: Re: Automatic blocking

Amadeus W. M. wrote:
> On Thu, 17 Aug 2006 08:14:27 +1000, Brian Chadwick wrote:
>
>   
>> Frank Cox wrote:
>>     
>>> On Wed, 16 Aug 2006 12:47:31 -0400
>>> David Cary Hart <Fedora@xxxxxxxxxxx> wrote:
>>>
>>>   
>>>       
>>>> I cannot see any way that this could be used to create a ddos. 
>>>>     
>>>>         
>>> Getting locked out of your box for 3 hours wouldn't bother you?
>>>
>>>   
>>>       
>> if you dont remember the password no one can help things
>>     
>
> It's not just failed login attempts. For instance, an innocent ping 
> could lock you out, if you have your dynamic firewall configured that 
> way.
>
>
>
>   
all you need is to stop people from dictionary attacking ssh or ftp (thats
what the guy is after) ... binding to ports is totally unneccessary ... just
use sshutout .. which examines /var/log/secure for suspicious activity ...
it doesnt bind to ports .. it just reads logs, then adjusts iptables if
neccessary

talk about skinning a cat with a blunt stone ... sheesh

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