Displaying 3 results from an estimated 3 matches for "dnsblist".
Did you mean:
dnsbl's
2019 Apr 12
2
Mail account brute force / harassment
...eeds DNSBL capability.
I tested a small sample of my IMAP hackers using the lists I use for
SMTP blocking [1] and enough are in these list to make them worth using.
Extra detection is not needed as many of these addresses are already
known - maybe even by using weakforced.
James.
1. exim dnsblist:
https://www.exim.org/howto/rbl.html
https://www.exim.org/exim-html-current/doc/html/spec_html/ch-access_control_lists.html
2019 Apr 12
0
Mail account brute force / harassment
...sample of my IMAP hackers using the lists I use for
> SMTP blocking [1] and enough are in these list to make them worth
> using. ?Extra detection is not needed as many of these addresses are
> already known - maybe even by using weakforced.
>
>
>
> James.
>
>
> 1. exim dnsblist:
> https://www.exim.org/howto/rbl.html
> https://www.exim.org/exim-html-current/doc/html/spec_html/ch-access_control_lists.html
>
>
Weakforced uses Lua so you can easily integrate DNSBL support into it.
We will not add DNSBL support to dovecot at this time.
Aki
2019 Apr 11
5
Mail account brute force / harassment
On 11/04/2019 11:43, Marc Roos via dovecot wrote:
> A. With the fail2ban solution
> - you 'solve' that the current ip is not able to access you
It is only a solution if there are subsequent attempts from the same
address. I currently have several thousand addresses blocked due to
dovecot login failures. My firewall is set to log these so I can see
that few repeat, those