On 25-11-16 14:05, dan...@msw.it wrote:
> Il 2016-11-24 21:47 Tom Hendrikx ha scritto:
>>
>> You made a typo in the config file, which made fail2ban fail on an
>> earlier restart. The logrotate just tripped over the fact that f2b
>> wasn't running some days later.
>>
>> Please show us your jail and filter config for the postfix-disc jail,
>> but my first guess would be that you setup the jail using
>>
>> logfile=%(syslog_mail)s
>>
>> but the variable 'syslog_mail' is not defined anywhere.
>>
>> Kind regards,
>> Tom
>
> Well Tom!
> I've changed on "/etc/fail2ban/jail.conf"
>
> from
> logfile=%(syslog_mail)s
>
> to
> logpath = /var/log/mail.log
>
> then I've added the filter for postfix-disc:
>
> [postfix-disc]
>
> filter = postfix-disc
>
>
> now, on /etc/fail2ban/filter.d/postfix-disc.conf remain some errors:
>
> nov 25 12:47:10 server fail2ban[32404]: ERROR Failed during
> configuration: File contains parsing errors:
> /etc/fail2ban/filter.d/postfix-disc.conf
> nov 25 12:47:10 server fail2ban[32404]: [line 12]:
> '(AUTH|STARTTLS|NOOP|EHLO|RCPT|UNKNOWN) from .*\\..*\\[<HOST>\\]$\n'
> nov 25 12:47:10 server fail2ban[32404]: [line 13]:
> '^%(__prefix_line)sdisconnect from unknown\\[<HOST>\\]$\n'
> nov 25 12:47:10 server fail2ban[32404]: failed!
>
>
> This is my postfix-disc.conf:
>
>
> # Fail2Ban filter for postfix lost connections
> #
> [INCLUDES]
>
> before = common.conf
>
> [Definition]
>
> _daemon = postfix/smtpd
>
> failregex = ^%(__prefix_line)slost connection after
> (AUTH|STARTTLS|NOOP|EHLO|RCPT|UNKNOWN) from .*\..*\[<HOST>\]$
> ^%(__prefix_line)sdisconnect from unknown\[<HOST>\]$
This part is messed up. It should probably be something like:
failregex = ^%(__prefix_line)slost connection after
(AUTH|STARTTLS|NOOP|EHLO|RCPT|UNKNOWN) from .*\..*\[<HOST>\]$
^%(__prefix_line)sdisconnect from unknown\[<HOST>\]$
Note: these are two lines, not three (watch for wrapping lines)! First
line contains the complete regex for 'lost connection after AUTH ...
[<HOST>}$', the next line is indented, and contains the regex for
'disconnect from unknown...'.
IMHO the second regex should not be monitored by f2b, but that's your call.
Kind regards,
Tom
>
> ignoreregex =
>
> # Author: Nick Howitt
>
>
> many many thanks for your help! :-)
>
>
>
>
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