csf not blocking dovecot failure

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cybergates799
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Posts: 2
Joined: 24 Dec 2018, 15:30
Post by cybergates799 » 03 Feb 2019, 20:09
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Hello.

In my var/log/secure I got a lot of :

Feb 3 21:47:11 420215 auth: pam_unix(dovecot:auth): authentication failure; logname= uid=0 euid=0 tty=dovecot ruser=limi@domain.lv rhost=125.122.251.16
Feb 3 21:47:13 420215 auth: pam_unix(dovecot:auth): check pass; user unknown

but csf not blocking this ip's. If i add manually then this messages stop for some time and then again with diffrent ip.
Why csf not blocking ?
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