Of course. You said it all – craft the filter and the external command and you
are all set. One of the beauties of this tool.
\\Greg
From: Hochreiter Martin<mailto:[email protected]>
Sent: Thursday, April 13, 2017 5:11 AM
To:
[email protected]<mailto:[email protected]>
Subject: [Fail2ban-users] User user instead of ip
Hi!
Can I configure fail2ban to scan for usernames instead of ips?
What for?
Well, we scan for very high amounts of (successful) sasl user authentications
in a short time
(indication for misusage) and block the user on the active directory … but not
as good as fail2ban does this with ips
So, if I write a filter that filters for usernames and a custom action with an
external command – is this possible?
Regards
Martin
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