John Hinton wrote:
> Agile Aspect wrote:
>
>> Devraj Mukherjee wrote:
>>
>>
>>> Hi all,
>>>
>>> I am trying to get fail2ban going on my server and its log message
>>> reports the following error
>>>
>>> 2009-02-16 17:42:05,339 ERROR: 'iptables -L INPUT | grep -q
>>> fail2ban-SSH' returned 256
>>> 2009-02-16 17:42:05,354 ERROR: 'iptables -D INPUT -p tcp --dport ssh
>>> -j fail2ban-SSH
>>>
>>> Is this because of the way the RedHat tool sets up the firewall?
>>>
>>> Thanks for any responses.
>>>
>>>
>>>
>>>
>> First, have you installed iptables, shorewall, and tcp-wrappers
>> installed?
>>
>> Second, have you tried the failed grep expression, i.e., have
>> you tried
>>
>> iptables -L INPUT | grep -q fail2ban-SSH
>>
>> As to why this would fail, you need to ask on the fail2ban
>> mailing list since evidently this appears to be part of the
>> installation.
>>
>> The iptables can be setup by anyone - RedHat simply provides
>> a default set of rules.
>>
>>
>>
> Actually, it is a rather OS dependent package and the rules for CentOS
> are difficult to write. That really doesn't belong on the fail2ban list
> either.
>
Please post the iptable rule which you is believe is OS dependent.
> You don't need shorewall, just the standard CentOS firewall works fine.
>
It depends upon what the OP installed. The fail2ban web page
recommends shorewall be installed - so there's a chance the OP
installed it.
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