Same issue fail2ban is down and not start !
i remove it and re install in default works for some minutes (only protection for ssh)
after i add from aapanel gui protection for postfix and dovecot stop working (the services are there and running is not a new setup of aapanel in a new VPS)
i have try again the same issue (remove fail2ban and reinstall)
i remove Fail2ban Manager
and install manual Fail2ban from command line and works ok (no issues with OS or Fail2ban setup)
any solutions ?