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globo

Owncloud and Fail2ban

February 28, 2017 778 views
Miscellaneous Ubuntu 16.04

I have owncloud in apache behind nginx. I try to ban bad guys by Fail2ban in nginx server.
All is ok, log comes from owncloud, with real IP, and is reading by fail2ban.
But all is missed all the time... I try many regex but with no results.

The line of log
Feb 27 21:01:19 OWNCLOUD1 ownCloud[30242]: {core} Login failed: 'xxxx.xxxx@xxx-xxx-xxx.com' (Remote IP: 'xx.xx.xx.xx')

I try a lot, The last
'.' Login failed: '.' (Remote IP: '<HOST>) '.*'

It's not my first fail2ban, but...
Thanks a lot for your response.

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3 Answers
theMiddle February 28, 2017

Hi @globo

probably you should use something like the following:

failregex = ^.*Login failed.*Remote IP:.<HOST>..*$

Reply
globo March 1, 2017

Hi theMiddle, thanks for your quick response
But always trouble after I have changed owncloud.conf in filter.d,

Running tests

Use failregex filter file : owncloud, basedir: /etc/fail2ban
Use log file : /var/log/clients/OWNCLOUD1.xxx-xxx-xxx.com/syslog.log
Use encoding : UTF-8

Results

Failregex: 0 total

Ignoreregex: 0 total

Date template hits:
|- [# of hits] date format
| [341] (?:DAY )?MON Day 24hour:Minute:Second(?:.Microseconds)?(?: Year)?
`-

Lines: 341 lines, 0 ignored, 0 matched, 341 missed [processed in 0.02 sec]

but i verify in the log file,
Mar 1 08:42:23 OWNCLOUD1 ownCloud[34887]: {core} Login failed: 'essai' (Remote IP: 'xxx.xxx.xxx.xxx')

Reply
globo March 2, 2017

Ok I find the correct regex
failregex = .: {core} Login failed: '.' (Remote IP: '<HOST>')

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