Author: Jan Ingvoldstad Date: To: exim-users Subject: Re: [exim] Auth command used when not advertised
> 3. des. 2018 kl. 19:00 skrev Dennis Davis via Exim-users <exim-users@???>:
>
>> On Mon, 26 Nov 2018, Nigel Metheringham via Exim-users wrote:
>>
>> From: Nigel Metheringham via Exim-users <exim-users@???>
>> To: Russell King <rmk@???>
>> Cc: exim-users@???
>> Date: Mon, 26 Nov 2018 13:11:36
>> Subject: Re: [exim] Auth command used when not advertised
>> Reply-To: Nigel Metheringham <nigel@???>
>>
>> Fail2ban would be a reasonable method of adding (say) 8 hour firewall
>> blocks when this sort of thing was seen...
>>
>> * http://www.fail2ban.org/wiki/index.php/Main_Page >> * https://alternativeto.net/software/fail2ban/ >
> A *long*, *long* time ago Tom Kistner wrote some small perl scripts
> to achieve this. Used iptables on Linux to achieve the end result.
> See:
>
> https://lists.exim.org/lurker/message/20060416.091402.c5100b67.en.html >
> https://lists.exim.org/lurker/message/20060502.201702.5ae738bb.en.html >
> Once nice feature was that the "timeban" script could be directly
> called from exim to handle miscreants.
>
> I remember successfully using the "timeban" script for a while after
> converting it to use the packet filter on OpenBSD. I suspect Tom's
> scripts would still be useful. Although I can't say for certain as
> I'm no longer involved on this area.
>
> The download link in the above messages no longer works. I'm fairly
> sure I still have copies squirrelled away somewhere.