| docs

Appearance

Fail2Ban Settings ​

The Fail2Ban Settings page allows administrators to configure global Fail2Ban parameters including ban behavior, notification settings, firewall chain rules, and logging options.

Fail2Ban Settings

Overview ​

URL: /admin/fail2ban-settings

At the top of the page, a status banner indicates whether the Fail2Ban service is currently running. If the service is active, a green indicator and the message "Fail2Ban service is running" are displayed. A Check Service Status button is available to manually refresh the service status.

Settings ​

All settings are displayed on a single page with the following fields:

Ban & Detection ​

  • Ban Time (seconds) - Duration in seconds that an IP address will remain banned after detection. Default: 7200.
  • Find Time (seconds) - Time window in seconds during which a host must exceed the maximum number of failed login attempts to trigger a ban. Default: 600.
  • Max Retry - Maximum number of failed login attempts allowed within the Find Time period before a ban is triggered. Default: 5.

Notifications ​

  • Destination Email - Email address to which ban notifications will be sent. Default: system@$(hostname -f).
  • Sender Email - Sender email address used for outgoing ban notifications. Default: fail2ban@$(hostname -f).
  • Mail Transfer Agent - Mail transfer agent used to send ban notifications.
    • Options: sendmail, postfix, exim

Firewall & Protocol ​

  • Ban Action - Method for blocking an IP address when a ban is triggered.
    • Options: iptables-multiport, nftables-multiport
  • Protocol - Communication protocol used for ban rules.
    • Options: tcp, udp, all
  • Firewall Chain - The firewall chain where Fail2Ban rules are applied.
    • Options: INPUT, OUTPUT, FORWARD

Logging ​

  • Log Level - Verbosity level for Fail2Ban logging.
    • Options: CRITICAL, ERROR, WARNING, NOTICE, INFO, DEBUG
  • Log Target Path - Path to the log file where Fail2Ban writes its logs. Default: /var/log/fail2ban.log.

Save Changes ​

Click the Save changes button at the bottom of the page to apply any configuration updates.

Service Control ​

A Restart button is available to restart the Fail2Ban service after changing settings. A Refresh button reloads the live service status and log view.