- Address banning does not work for some jails.
Intrusion attempts can be displayed by running
# fail2ban-regex /var/log/apache2/custom_access.log /etc/fail2ban/filter.d/plesk-wordpress.conf
Failregex: 602 total
|- #) [# of hits] regular expression
| 1)  ^<HOST>.* "POST .*/wp-login.php([/\?#\\].*)? HTTP/.*" 200
- The custom error log is specified in the jail settings.
- Records in custom log file differ from ones in the default log files (e.g. source log file specified in the record).
fail2ban is unable to process source host IP address correctly.
Configure fail2ban filters according to fail2ban manual.