> as per you say "or even a text file", I'd created a text file which is
> continuous edit with MySQL query like "mysql -uuser -ppassword -Ddb_name -N
> -e 'SELECT GROUP_CONCAT(fw_ip) FROM (fail2ban_whitelist);' > /tmp/test.txt",
> and after putting it to the jail.local at -> ignorecommand and restart the
> fail2ban it will through error like
>
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> 2018-03-27 05:20:39,172 fail2ban [20280]: CRITICAL Unhandled
> exception in Fail2Ban:
> Traceback (most recent call last):
> File
> "/usr/lib/python2.7/site-packages/fail2ban-0.9.6-py2.7.egg/fail2ban/server/jailthread.py",
> line 66, in run_with_except_hook
> run(*args, **kwargs)
> File
> "/usr/lib/python2.7/site-packages/fail2ban-0.9.6-py2.7.egg/fail2ban/server/filtersystemd.py",
> line 272, in run
> *self.formatJournalEntry(logentry))
> File
> "/usr/lib/python2.7/site-packages/fail2ban-0.9.6-py2.7.egg/fail2ban/server/filter.py",
> line 475, in processLineAndAdd
> if self.inIgnoreIPList(ip, log_ignore=True):
> File
> "/usr/lib/python2.7/site-packages/fail2ban-0.9.6-py2.7.egg/fail2ban/server/filter.py",
> line 395, in inIgnoreIPList
> "(?<=b)1+", bin(DNSUtils.addr2bin(s[1]))).group())
> File
> "/usr/lib/python2.7/site-packages/fail2ban-0.9.6-py2.7.egg/fail2ban/server/filter.py",
> line 976, in addr2bin
> return struct.unpack("!L", socket.inet_aton(ipstring))[0]
> error: illegal IP address string passed to inet_aton
>
>
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> I'd done lot's of surfing to resolve this issue, but it can't be resolved by
> me, is there any solution of this from your side?Reading the error message it appears that your IP addresses are malformed (error: illegal IP address string passed to inet_aton). How does /tmp/test.txt look like? What do you get if you run the ignorecommand manually for some IP that is/isn’t in the file? Just a side note: You shouldn’t be continuously updating the file. You should run a timed batch job typically by cron or systemd. br, Petri
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