How to manage Fail2Ban and its jails in Plesk for Linux

Log in to Plesk.

Go to Tools & Settings > IP Address Banning (Fail2Ban) > switch to the Settings tab and check/uncheck Enable intrusion detection to enable/disable Fail2Ban.

Click Apply.

Switch to the Jails tab and enable/disable required jails using the Switch on/off buttons.

Note: Jails can be switched on only when Fail2Ban is enabled.

Connect to a Plesk server via SSH.

Activate/deactivate Fail2Ban:

• Activating Fail2Ban:

  # plesk bin ip_ban --enable

• Deactivate Fail2Ban:

  # plesk bin ip_ban --disable

List all available jails:

# plesk bin ip_ban --jails

Enable/disable a jail using its name from step 3 with the command:

Note: Jails can be activated only when Fail2Ban is enabled.

• Enabling a jail:

  # plesk bin ip_ban --enable-jails <jail_name>

  In the example below, we are enabling the 'plesk-wordpress' jail:

  # plesk bin ip_ban --enable-jails plesk-wordpress

• Disabling a jail:

  # plesk bin ip_ban --disable-jails plesk-wordpress