[CentOS] Blocking attacks from a range of IP addresses

Thu Jan 9 02:15:47 UTC 2020
Keith Christian <keith1christian at gmail.com>

On Wed, Jan 8, 2020 at 7:06 PM one_Person_on_the_World <daycom021 at gmail.com>
wrote:

> I have experience block DDoS atacks. Contac White me in prived. If you have
> intereses.
>
> El mié., 8 ene. 2020 8:45 p. m., Keith Christian <
> keith1christian at gmail.com>
> escribió:
>
> > On Wed, Jan 8, 2020 at 5:37 PM H <agents at meddatainc.com> wrote:
> >
> > > I am being attacked by an entire subnet where the first two parts of
> the
> > > IP address remain identical but the last two parts vary sufficiently
> that
> > > it is not caught by fail2ban since the attempts do not meet the cut-off
> > of
> > > a certain number of attempts within the given time.
> > >
> > > Has anyone created a fail2ban filter for this type of attack? As of
> right
> > > now, I have manually banned a range of IP addresses but would like to
> > > automate it for the future.
> > >
> > > _______________________________________________
> > > CentOS mailing list
> > > CentOS at centos.org
> > > https://lists.centos.org/mailman/listinfo/centos
> > >
> >
> > Tough one.
> >
> > Not the solution you’re looking for, but until you have a solution, block
> > the whole range in iptables.
> > _______________________________________________
> > CentOS mailing list
> > CentOS at centos.org
> > https://lists.centos.org/mailman/listinfo/centos
> >
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/
> <https://lists.centos.org/mailman/listinfo/centos>





one_Person_on_the_World,


Contact the original poster.  I replied to him.

I write my own firewall rules etc. But thank you for the offer.

>