Re: [exim] Blocking a Class C

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Συντάκτης: The Doctor
Ημερομηνία:  
Προς: Andrew C Aitchison
Υ/ο: exim users
Αντικείμενο: Re: [exim] Blocking a Class C
On Thu, Jan 19, 2023 at 08:44:30AM +0000, Andrew C Aitchison via Exim-users wrote:
> On Wed, 18 Jan 2023, The Doctor via Exim-users wrote:
>
> >> On Thu, Jan 19, 2023, 00:33 The Doctor <doctor@???> wrote:
> >>
> >>> Still having problems with
> >>>
> >>> /var/log/exim/in_rejectlog:2023-01-18 14:27:01.484 [97258] refused
> >>> connection from [46.148.40.108]:61402 I=[204.209.81.246]:465
> >>> (host_reject_connection)
> >>>
> >>> THere are still coming and not being dropped in a timely manner.
> >>>
> >>> can these packets be dropped in less than 0.01 ms?
> >>>
> >>> Legit e-mail is not getting through and costumers are complaining.
> >
> >> On Thu, Jan 19, 2023 at 12:36:38AM +0300, Odhiambo Washington via Exim-users wrote:
> >> Block at the firewall before they reach the server.
> >>
> > Ateempted but not happening. I wonder if the IPs are being faked.
>
> I don't think faked packets would get through the firewall if you are
> blocking the faked IP address.
>
> The logs indicate that the attacker is connecting to port 465.
> Are you blocking that as well as port 25 ?
>


I cannot block port 25 if I want mail from the outside world to get it.

> -- 
> Andrew C. Aitchison                      Kendal, UK
>                     andrew@???

>
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