Did your restart, or reload fail2ban, after making changes to the cofig file?

fail2ban-client reload

Wayne Sallee
[email protected]
http://www.WayneSallee.com

-------- Original Message --------
*Subject: *  Re: [Fail2ban-users] Help with Fail2Ban on PhpMyAdmin
*From: *     Henrique Fagundes <[email protected]>
*To: *         Dudi Goldenberg <[email protected]>
*CC: *        Fail2ban Users <[email protected]>
*Date: *      2020-2-15  08:44 AM
Friend,

In practice, it doesn't work!
I am purposely missing the logins and does not block.

I did a test with FTP and it blocks normally.
I don't know what's going on.

  ---- Ativado Sáb, 15 fev 2020 10:32:34 -0300 Dudi Goldenberg 
<[email protected]> escreveu ----
  > Well,
  >
  > According to the test it did work:
  >
  > Lines: 772 lines, 0 ignored, 182 matched, 590 missed [processed in 0.08 sec]
  >
  > So you have 182 matches.
  >
  > Regards,
  >
  > Dudi
  >
  > -----Original Message-----
  > From: Henrique Fagundes [mailto:[email protected]]
  > Sent: Saturday, February 15, 2020 15:28
  > To: Dudi Goldenberg <[email protected]>
  > Cc: Fail2ban Users <[email protected]>
  > Subject: RE: [Fail2ban-users] Help with Fail2Ban on PhpMyAdmin
  >
  > Friend,
  >
  > Unfortunately, the rule you gave me didn't work!
  >
  > The log file is /var/ log /secure.
  >
  > I ran the command below:
  >
  >  fail2ban-regex /var/log/secure /etc/fail2ban/filter.d/phpmyadmin.conf
  >
  > That was the way out:
  >
  > Running tests
  > =============
  >
  > Use   failregex filter file : phpmyadmin, basedir: /etc/fail2ban
  > Use         log file : /var/log/secure
  > Use         encoding : UTF-8
  >
  >
  > Results
  > =======
  >
  > Failregex: 182 total
  > |-  #) [# of hits] regular expression
  > |   1) [182] user denied: .+ from <HOST>\s*$
  > `-
  >
  > Ignoreregex: 0 total
  >
  > Date template hits:
  > |- [# of hits] date format
  > |  [772] {^LN-BEG}(?:DAY )?MON Day %k:Minute:Second(?:\.Microseconds)?(?: 
ExYear)?
  > `-
  >
  > Lines: 772 lines, 0 ignored, 182 matched, 590 missed [processed in 0.08 sec]
  >
  > Missed line(s): too many to print.  Use --print-all-missed to print all 590 
lines
  >
  > Is there anything else I can do to resolve the issue?
  >
  >  ---- Ativado Sáb, 15 fev 2020 10:07:12 -0300 Dudi Goldenberg <[email protected]> 
escreveu ----  > Hi,  >  > You should edit /etc/fail2ban/filter.d/phpmyadmin.conf and 
modify the failregex line to read:
  >  >
  >  > failregex = user denied: .+ from <HOST>\s*$  >  > The tst is a file I 
created with the log lines in it for testing...
  >  >
  >  > After you modify phpmyadmin.conf this should work and show matches:
  >  >
  >  > fail2ban-regex /path/to/logfile /etc/fail2ban/filter.d/phpmyadmin.conf
  >  >
  >  > Make sure you insert the real path to the log file instead of 
/path/to/logfile.
  >  >
  >  > Regards,
  >  >
  >  > Dudi
  >  >
  >  > -----Original Message-----
  >  > From: Henrique Fagundes [mailto:[email protected]]
  >  > Sent: Saturday, February 15, 2020 13:26  > To: Dudi Goldenberg <[email protected]>  > 
Subject: RE: [Fail2ban-users] Help with Fail2Ban on PhpMyAdmin  >  > Friend,  >  > Good Morning! 
Thanks for answering!
  >  > I tested his regular expression and it didn't work, unfortunately.
  >  >
  >  > The output of my command was like this:
  >  >
  >  > [root@www ~]# fail2ban-regex tst /etc/fail2ban/filter.d/phpmyadmin.conf
  >  >
  >  > Running tests
  >  > =============
  >  >
  >  > Use   failregex filter file : phpmyadmin, basedir: /etc/fail2ban
  >  > Use      single line : tst
  >  >
  >  >
  >  > Results
  >  > =======
  >  >
  >  > Failregex: 0 total
  >  >
  >  > Ignoreregex: 0 total
  >  >
  >  > Date template hits:
  >  >
  >  > Lines: 1 lines, 0 ignored, 0 matched, 1 missed [processed in 0.05 sec]  >  
> |- Missed line(s):
  >  > |  tst
  >  > `-
  >  >
  >  > Is there anything else I can do to resolve this issue?
  >  >
  >  > I am grateful!
  >  >
  >  >
  >  >
  >  > Atenciosamente,
  >  >
  >  > Henrique Fagundes
  >  > Analista de Suporte Linux
  >  > [email protected]
  >  > Skype: magnata-br-rj
  >  > Linux User: 475399
  >  >
  >  > https://www.aprendendolinux.com
  >  > https://www.facebook.com/AprendendoLinux
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  >  > ______________________________________________________________________
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  >  >
  >  >
  >  >  ---- Ativado Sáb, 15 fev 2020 05:24:41 -0300 Dudi Goldenberg <[email protected]> 
escreveu ----  > HI,  >  > I pasted the wrong line.... sorry.
  >  >  >
  >  >  > This works:
  >  >  >
  >  >  > failregex = user denied: .+ from <HOST>\s*$  >  > ===========  >  > root@mail:~# 
fail2ban-regex tst /etc/fail2ban/filter.d/test.conf  >  > Running tests  > =============  >
  >  >  > Use   failregex file : /etc/fail2ban/filter.d/webmin-auth.conf
  >  >  > Use         log file : tst
  >  >  >
  >  >  >
  >  >  > Results
  >  >  > =======
  >  >  >
  >  >  > Failregex: 1 total
  >  >  > |-  #) [# of hits] regular expression
  >  >  > |   4) [1] user denied: .+ from <HOST>\s*$
  >  >  > `-
  >  >  >
  >  >  > Ignoreregex: 0 total
  >  >  >
  >  >  > Date template hits:
  >  >  > |- [# of hits] date format
  >  >  > |  [1] MONTH Day Hour:Minute:Second  >  > `-  >  >  >  > Lines: 1 lines, 0 ignored, 1 
matched, 0 missed  >  > Regards,  >  > Dudi  >  >  > -----Original Message-----  > From: Henrique Fagundes 
[mailto:[email protected]]
  >  >  > Sent: Saturday, February 15, 2020 3:34  > To: fail2ban-users 
<[email protected]>
  >  >  > Subject: [Fail2ban-users] Help with Fail2Ban on PhpMyAdmin  >  > Dear 
Colleagues,  >  > I begin by apologizing for any communication error, as I am Brazilian and I 
still try to adapt with the English language.
  >  >  >
  >  >  > I'm having a hard time getting Fail2Ban to work on phpmyadmin.
  >  >  >
  >  >  > I'm using CentOS 8.1.1911 and fail2ban 0.10.5-2.
  >  >  > My PhpMyAdmin is version 4.9.0.1.
  >  >  >
  >  >  > I noticed that PhpMyAdmin logs login failures in the “/var/log/ 
secure” file.
  >  >  >
  >  >  > And he has an output like this:
  >  >  >
  >  >  > Feb 14 21:40:37 www phpMyAdmin[3982]: user denied: root (mysql-denied) from 
177.122.254.10 Feb 14 21:42:07 www phpMyAdmin[3978]: user denied: root (mysql-denied) from 
177.122.254.10 Feb 14 21:42:09 www phpMyAdmin[3982]: user denied: root (mysql-denied) from 
177.122.254.10 Feb 14 21:48:06 www phpMyAdmin[3981]: user denied: root (mysql-denied) from 
177.122.254.10  >  > So, I configured my “/etc/fail2ban/jail.conf” like this:
  >  >  >
  >  >  > [phpmyadmin]
  >  >  > enabled = true
  >  >  > port = http,https
  >  >  > filter = phpmyadmin
  >  >  > action = iptables-multiport[name=phpmyadmin, port="http,https", 
protocol=tcp] sendmail-whois[name=PHPMYADMIN, [email protected]] logpath = /var/log/secure 
maxretry = 3  >  > And the filter configuration file (/etc/fail2ban/filter.d/phpmyadmin.conf), the 
expressions are like this:
  >  >  >
  >  >  > [Definition]
  >  >  > denied = mysql-denied|allow-denied|root-denied|empty-denied
  >  >  > failregex = ^<HOST> -.*(?:%(denied)s)$  > ignoreregex =  >  > I 
believe I am not able to correctly form the expression, as Fail2Ban is not blocking at all.
  >  >  >
  >  >  > Could someone help me in this matter?
  >  >  >
  >  >  > I'll be very grateful.
  >  >  >
  >  >  >
  >  >  > _______________________________________________
  >  >  > Fail2ban-users mailing list
  >  >  > [email protected]
  >  >  > https://lists.sourceforge.net/lists/listinfo/fail2ban-users
  >  >  >
  >  >
  >


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