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Enhancement #745

Updated by Pierre-Louis Bonicoli 7 days ago

Fail2ban should block the following attemps:
<pre>
Nov 24 15:06:46 Toushirou dovecot[1308700]: auth: ldap(<redacted>,XXX.237.103.19): unknown user
Nov 24 15:07:00 Toushirou dovecot[1308700]: auth: ldap(<redacted>,XXX.237.103.19): unknown user
Nov 24 15:07:20 Toushirou dovecot[1308700]: auth: ldap(<redacted>,XXX.237.103.19): unknown user
Nov 24 15:07:30 Toushirou dovecot[1308700]: auth: ldap(<redacted>,XXX.237.103.19): unknown user
Nov 24 15:07:44 Toushirou dovecot[1308700]: auth: ldap(<redacted>,XXX.237.103.19): unknown user
Nov 24 15:08:04 Toushirou dovecot[1308700]: auth: ldap(<redacted>,XXX.237.103.19): unknown user
</pre> <pre>

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