On Sat, 2023-06-24 at 16:35 +1200, Peter via Postfix-users wrote:
> On 23/06/23 07:05, André Rodier via Postfix-users wrote:
> > Is there any way, with postfix, to run a script on authentication
> > failure, with information like the IP address and the
> > username passed, for instance.
>
> You
On Sat, 2023-06-24 at 16:35 +1200, Peter via Postfix-users wrote:
> On 23/06/23 07:05, André Rodier via Postfix-users wrote:
> > Is there any way, with postfix, to run a script on authentication
> > failure, with information like the IP address and the
> > username passed, for instance.
>
> You
On 23/06/23 07:05, André Rodier via Postfix-users wrote:
Is there any way, with postfix, to run a script on authentication
failure, with information like the IP address and the
username passed, for instance.
You can write your script up as a policy daemon and have it listen on an
inet or
On 6/23/23 04:26, Luciano Mannucci via Postfix-users wrote:
On Thu, 22 Jun 2023 21:05:35 +0200
André Rodier via Postfix-users wrote:
What are you using on your side ?
I have a small script that scans the log for failed login attempts,
banning the offending ip via firewall if it sees more
On Thu, 22 Jun 2023 21:05:35 +0200
André Rodier via Postfix-users wrote:
> What are you using on your side ?
I have a small script that scans the log for failed login attempts,
banning the offending ip via firewall if it sees more than a certain
number of attempts (initially set to 24, now
Hi,
> On 22 Jun 2023, at 21:05, André Rodier via Postfix-users
> wrote:
>
> What are you using on your side ?
I'm running postfix on FreeBSD so I can use blacklistd.
A blacklistd hook has been inserted in Postfix source code so treatment is
triggered directly from events handled by
On 22/06/2023 16:09, Viktor Dukhovni via Postfix-users wrote:
> So, at least in my case, geofencing is not an option.
Of course not - there is never a universal solution.
In the matter of multi-factor authentication, discussions are increasingly
quoting a fourth factor: "WHERE you are".
On Thu, 2023-06-22 at 15:45 +0100, Allen Coates via Postfix-users wrote:
>
>
> On 22/06/2023 12:58, André Rodier via Postfix-users wrote:
> >
> > What are you using on your side ?
> >
> > - Do you know any service, that I could use, to get the network to ban from
> > an IP address reputation,
Am 22.06.23 um 19:18 schrieb Steffen Nurpmeso:
Robert Schetterer wrote in
:
|Am 22.06.2023 um 13:58 schrieb André Rodier via Postfix-users:
...
|> Shortly after it has been setup, I see brute force attacks (not
|> surprising) from a whole /24 network (more surprising).
...
|> Is
Dnia 22.06.2023 o godz. 13:58:20 André Rodier via Postfix-users pisze:
>
> I just set-up a new server, running postfix, with submission(s) activated
> on standard ports (587, 465)
>
> Shortly after it has been setup, I see brute force attacks (not
> surprising) from a whole /24 network (more
Robert Schetterer wrote in
:
|Am 22.06.2023 um 13:58 schrieb André Rodier via Postfix-users:
...
|> Shortly after it has been setup, I see brute force attacks (not
|> surprising) from a whole /24 network (more surprising).
...
|> Is there any way, with postfix, to run a script on
On Thu, Jun 22, 2023 at 03:45:43PM +0100, Allen Coates via Postfix-users wrote:
> Is it possible / practical to develop the concept of a "service area"
> - to white-list all the net-blocks where all your genuine callers
> originate, and prohibit everywhere else?
Perhaps if none of your users
Dnia 22.06.2023 o godz. 15:45:43 Allen Coates via Postfix-users pisze:
>
> Just thinking at a tangent...
>
> Is it possible / practical to develop the concept of a "service area" - to
> white-list all the net-blocks where all your
> genuine callers originate, and prohibit everywhere else?
>
>
On 22/06/2023 12:58, André Rodier via Postfix-users wrote:
>
> What are you using on your side ?
>
> - Do you know any service, that I could use, to get the network to ban from
> an IP address reputation, something like
> crowdsec, for instance ?
> - Anyone has success with Suricata, Snort, or
On 22 Jun 2023, at 14:18, Wietse Venema via Postfix-users wrote:Postfix does not implement SASL auth. It proxies the bits betwenthe remote SMTP client and (SASL library or Dovecot). If you mustsee SASL details, use Dovecot "auth_debug=yes" logging, and run atool that acts on that information.
Postfix does not implement SASL auth. It proxies the bits betwen
the remote SMTP client and (SASL library or Dovecot). If you must
see SASL details, use Dovecot "auth_debug=yes" logging, and run a
tool that acts on that information.
Wietse
___
Am 22.06.2023 um 13:58 schrieb André Rodier via Postfix-users:
Hello, all.
I just set-up a new server, running postfix, with submission(s)
activated on standard ports (587, 465)
Shortly after it has been setup, I see brute force attacks (not
surprising) from a whole /24 network (more
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