Block IP

[Mike]

Ankush Grover schreef:
> On 8/31/06, JeeBee <JeeBee at troefpunt.nl> wrote:
>> I just had the same problem. I wanted to block an ip that is constantly
>> doing a dictionary attack on my system. This is the situation before:
>>
>> /etc/hosts.allow:
>>   ALL : <some trusted domains here>
>>   sshd : ALL
>> /etc/hosts.deny:
>>   ALL : ALL
>>
>> The only way I could see to add this ip address I want to block is
>> to change sshd:ALL in hosts.allow to sshd:ALL EXCEPT 1.2.3.4.
>>
>> If I sould add sshd:1.2.3.4 to hosts.deny, this would totally be
>> ignored.
>> Perhaps it would be more neat to remove sshd:ALL from hosts.allow
>> and to remove ALL:ALL from hosts.deny.
>> Then I could say sshd:1.2.3.4 in hosts.deny.
>> However, what more will be allowed then? The ALL:ALL in hosts.deny
>> blocks a lot more of course.
>>
>> Still, I have the feeling that ALL EXCEPT <long lists of untrusted ips
>> here> is not the way to go.
>> Can anybody tell me how this should be done?
>>
>
> Hey,
>
> A script which automatically blocks the offending ips. Please read the
> documentation for more information regarding this.
>
> http://denyhosts.sourceforge.net/
>
> Regards
>
> Ankush Grover
>
Hey, or you can put your SSHd on an other port... worked for me ;)

- Mike

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