- Plesk for Linux
Why there are duplicates of IP addresses in Plesk > Tools & Settings > IP Address Banning (Fail2Ban) > Banned IP Addresses?
This can happen if the address was banned by several different jails.
Jails can be found in Plesk > Tools & Settings > IP Address Banning (Fail2Ban) > Jails.
Fail2ban jails work separately and often suspicious activity can be detected by several jails at once.
Note: You can find more information about managing fail2ban jails in the following link:
Fail2Ban Jails Management