Re: [exim] Iptables/other blocking ylmf-pc clients

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Author: Dennis Davis
Date:  
To: exim-users
Subject: Re: [exim] Iptables/other blocking ylmf-pc clients
On Wed, 10 Aug 2016, Dean Hamstead wrote:

> From: Dean Hamstead <dean@???>
> To: exim users <exim-users@???>
> Date: Wed, 10 Aug 2016 03:17:24
> Subject: [exim] Iptables/other blocking ylmf-pc clients
>
> Its easy enough to add a rule to the exim config to always reject
> connections which HELO ylmf-pc. However they still seem to hammer
> away.
>
> Has anyone come up with anything slick to block the ip address of
> clients that make a ylmf-pc request?
>
> Log tailing would be ok, but it seems that an external program
> could fairly easily be called (denyhosts or similar)


As noted, fail2ban would do the job.

This topic comes up on a regular basis. Rude clients are capable of
a number of repeated transgressions!

See the discussion on this topic from earlier this year. It's a
different transgression, but the remedy is similar. The discussion
starts here:

https://lists.exim.org/lurker/message/20160429.223806.7f89ca58.en.html
--
Dennis Davis <dennisdavis@???>