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# Turn on debug logging in Fail2ban

Attention

Check out the lightweight on-premises email archiving software developed by iRedMail team: Spider Email Archiver.

To turn on debug mode in Fail2ban, please set its log level to `debug` in config file `/etc/fail2ban/fail2ban.local`, then restart fail2ban service. If file `/etc/fail2ban/fail2ban.local` doesn't exist, use `/etc/fail2ban/fail2ban.conf` instead.

    loglevel = DEBUG

## Log File

Fail2ban may log to different log files on different Linux/BSD distributions:

- `/var/log/fail2ban.log`
- `/var/log/fail2ban/fail2ban.log`
- `/var/log/messages`
- `/var/log/syslog`