[CentOS] Simple IPTABLES Question

David Dyer-Bennet dd-b at dd-b.net
Tue Aug 19 15:15:39 UTC 2008


On Tue, August 19, 2008 09:33, Matt wrote:

>
> I would like log entries when connections are dropped to see that its
> working.  How do I do that?
>
> I am guessing I would add this before the drop.
>
> iptables -A INPUT -p tcp --dport 22 -m state --state NEW -m recent
> --update --seconds 60 --hitcount 5 --rttl --name SSH -j LOG
> --log-prefix 'SSH attack: '
>
> Is that right?  Thanks.

That's the right general approach; duplicate the drop rule but with a LOG
target and appropriate logging parameters.

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